build system overhaul

1 files changed, 2317 insertions, 0 deletions

diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
new file mode 100644
index 000000000..24e3c8cbb
--- /dev/null
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -0,0 +1,2317 @@
+
+#line 3 "scripts/kconfig/lex.zconf.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 31
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+#if __STDC__
+
+#define YY_USE_CONST
+
+#endif	/* __STDC__ */
+#endif	/* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE zconfrestart(zconfin  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+extern int zconfleng;
+
+extern FILE *zconfin, *zconfout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up zconftext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up zconftext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef unsigned int yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via zconfrestart()), so that the user can continue scanning by
+	 * just pointing zconfin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when zconftext is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int zconfleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 1;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow zconfwrap()'s to do buffer switches
+ * instead of setting up a fresh zconfin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void zconfrestart (FILE *input_file  );
+void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size  );
+void zconf_delete_buffer (YY_BUFFER_STATE b  );
+void zconf_flush_buffer (YY_BUFFER_STATE b  );
+void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer  );
+void zconfpop_buffer_state (void );
+
+static void zconfensure_buffer_stack (void );
+static void zconf_load_buffer_state (void );
+static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file  );
+
+#define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,int len  );
+
+void *zconfalloc (yy_size_t  );
+void *zconfrealloc (void *,yy_size_t  );
+void zconffree (void *  );
+
+#define yy_new_buffer zconf_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        zconfensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        zconfensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define zconfwrap() 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int zconflineno;
+
+int zconflineno = 1;
+
+extern char *zconftext;
+#define yytext_ptr zconftext
+static yyconst flex_int16_t yy_nxt[][17] =
+    {
+    {
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0
+    },
+
+    {
+       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
+       12,   12,   12,   12,   12,   12,   12
+    },
+
+    {
+       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
+       12,   12,   12,   12,   12,   12,   12
+    },
+
+    {
+       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
+       16,   16,   16,   18,   16,   16,   16
+    },
+
+    {
+       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
+       16,   16,   16,   18,   16,   16,   16
+
+    },
+
+    {
+       11,   19,   20,   21,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19
+    },
+
+    {
+       11,   19,   20,   21,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19
+    },
+
+    {
+       11,   22,   22,   23,   22,   24,   22,   22,   24,   22,
+       22,   22,   22,   22,   22,   25,   22
+    },
+
+    {
+       11,   22,   22,   23,   22,   24,   22,   22,   24,   22,
+       22,   22,   22,   22,   22,   25,   22
+    },
+
+    {
+       11,   26,   26,   27,   28,   29,   30,   31,   29,   32,
+       33,   34,   35,   35,   36,   37,   38
+
+    },
+
+    {
+       11,   26,   26,   27,   28,   29,   30,   31,   29,   32,
+       33,   34,   35,   35,   36,   37,   38
+    },
+
+    {
+      -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,
+      -11,  -11,  -11,  -11,  -11,  -11,  -11
+    },
+
+    {
+       11,  -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12,
+      -12,  -12,  -12,  -12,  -12,  -12,  -12
+    },
+
+    {
+       11,  -13,   39,   40,  -13,  -13,   41,  -13,  -13,  -13,
+      -13,  -13,  -13,  -13,  -13,  -13,  -13
+    },
+
+    {
+       11,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,
+      -14,  -14,  -14,  -14,  -14,  -14,  -14
+
+    },
+
+    {
+       11,   42,   42,   43,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42
+    },
+
+    {
+       11,  -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16,
+      -16,  -16,  -16,  -16,  -16,  -16,  -16
+    },
+
+    {
+       11,  -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17,
+      -17,  -17,  -17,  -17,  -17,  -17,  -17
+    },
+
+    {
+       11,  -18,  -18,  -18,  -18,  -18,  -18,  -18,  -18,  -18,
+      -18,  -18,  -18,   44,  -18,  -18,  -18
+    },
+
+    {
+       11,   45,   45,  -19,   45,   45,   45,   45,   45,   45,
+       45,   45,   45,   45,   45,   45,   45
+
+    },
+
+    {
+       11,  -20,   46,   47,  -20,  -20,  -20,  -20,  -20,  -20,
+      -20,  -20,  -20,  -20,  -20,  -20,  -20
+    },
+
+    {
+       11,   48,  -21,  -21,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48
+    },
+
+    {
+       11,   49,   49,   50,   49,  -22,   49,   49,  -22,   49,
+       49,   49,   49,   49,   49,  -22,   49
+    },
+
+    {
+       11,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,
+      -23,  -23,  -23,  -23,  -23,  -23,  -23
+    },
+
+    {
+       11,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
+      -24,  -24,  -24,  -24,  -24,  -24,  -24
+
+    },
+
+    {
+       11,   51,   51,   52,   51,   51,   51,   51,   51,   51,
+       51,   51,   51,   51,   51,   51,   51
+    },
+
+    {
+       11,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
+      -26,  -26,  -26,  -26,  -26,  -26,  -26
+    },
+
+    {
+       11,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
+      -27,  -27,  -27,  -27,  -27,  -27,  -27
+    },
+
+    {
+       11,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,
+      -28,  -28,  -28,  -28,   53,  -28,  -28
+    },
+
+    {
+       11,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,
+      -29,  -29,  -29,  -29,  -29,  -29,  -29
+
+    },
+
+    {
+       11,   54,   54,  -30,   54,   54,   54,   54,   54,   54,
+       54,   54,   54,   54,   54,   54,   54
+    },
+
+    {
+       11,  -31,  -31,  -31,  -31,  -31,  -31,   55,  -31,  -31,
+      -31,  -31,  -31,  -31,  -31,  -31,  -31
+    },
+
+    {
+       11,  -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32,
+      -32,  -32,  -32,  -32,  -32,  -32,  -32
+    },
+
+    {
+       11,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,
+      -33,  -33,  -33,  -33,  -33,  -33,  -33
+    },
+
+    {
+       11,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,
+      -34,   56,   57,   57,  -34,  -34,  -34
+
+    },
+
+    {
+       11,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
+      -35,   57,   57,   57,  -35,  -35,  -35
+    },
+
+    {
+       11,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,
+      -36,  -36,  -36,  -36,  -36,  -36,  -36
+    },
+
+    {
+       11,  -37,  -37,   58,  -37,  -37,  -37,  -37,  -37,  -37,
+      -37,  -37,  -37,  -37,  -37,  -37,  -37
+    },
+
+    {
+       11,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,
+      -38,  -38,  -38,  -38,  -38,  -38,   59
+    },
+
+    {
+       11,  -39,   39,   40,  -39,  -39,   41,  -39,  -39,  -39,
+      -39,  -39,  -39,  -39,  -39,  -39,  -39
+
+    },
+
+    {
+       11,  -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40,
+      -40,  -40,  -40,  -40,  -40,  -40,  -40
+    },
+
+    {
+       11,   42,   42,   43,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42
+    },
+
+    {
+       11,   42,   42,   43,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42
+    },
+
+    {
+       11,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
+      -43,  -43,  -43,  -43,  -43,  -43,  -43
+    },
+
+    {
+       11,  -44,  -44,  -44,  -44,  -44,  -44,  -44,  -44,  -44,
+      -44,  -44,  -44,   44,  -44,  -44,  -44
+
+    },
+
+    {
+       11,   45,   45,  -45,   45,   45,   45,   45,   45,   45,
+       45,   45,   45,   45,   45,   45,   45
+    },
+
+    {
+       11,  -46,   46,   47,  -46,  -46,  -46,  -46,  -46,  -46,
+      -46,  -46,  -46,  -46,  -46,  -46,  -46
+    },
+
+    {
+       11,   48,  -47,  -47,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48
+    },
+
+    {
+       11,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,  -48,
+      -48,  -48,  -48,  -48,  -48,  -48,  -48
+    },
+
+    {
+       11,   49,   49,   50,   49,  -49,   49,   49,  -49,   49,
+       49,   49,   49,   49,   49,  -49,   49
+
+    },
+
+    {
+       11,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
+      -50,  -50,  -50,  -50,  -50,  -50,  -50
+    },
+
+    {
+       11,  -51,  -51,   52,  -51,  -51,  -51,  -51,  -51,  -51,
+      -51,  -51,  -51,  -51,  -51,  -51,  -51
+    },
+
+    {
+       11,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52
+    },
+
+    {
+       11,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
+      -53,  -53,  -53,  -53,  -53,  -53,  -53
+    },
+
+    {
+       11,   54,   54,  -54,   54,   54,   54,   54,   54,   54,
+       54,   54,   54,   54,   54,   54,   54
+
+    },
+
+    {
+       11,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
+      -55,  -55,  -55,  -55,  -55,  -55,  -55
+    },
+
+    {
+       11,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,
+      -56,   60,   57,   57,  -56,  -56,  -56
+    },
+
+    {
+       11,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,
+      -57,   57,   57,   57,  -57,  -57,  -57
+    },
+
+    {
+       11,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,  -58,
+      -58,  -58,  -58,  -58,  -58,  -58,  -58
+    },
+
+    {
+       11,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,
+      -59,  -59,  -59,  -59,  -59,  -59,  -59
+
+    },
+
+    {
+       11,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,
+      -60,   57,   57,   57,  -60,  -60,  -60
+    },
+
+    } ;
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up zconftext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	zconfleng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+
+#define YY_NUM_RULES 33
+#define YY_END_OF_BUFFER 34
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[61] =
+    {   0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+       34,    5,    4,    2,    3,    7,    8,    6,   32,   29,
+       31,   24,   28,   27,   26,   22,   17,   13,   16,   20,
+       22,   11,   12,   19,   19,   14,   22,   22,    4,    2,
+        3,    3,    1,    6,   32,   29,   31,   30,   24,   23,
+       26,   25,   15,   20,    9,   19,   19,   21,   10,   18
+    } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    4,    5,    6,    1,    1,    7,    8,    9,
+       10,    1,    1,    1,   11,   12,   12,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,    1,    1,    1,
+       14,    1,    1,    1,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+        1,   15,    1,    1,   13,    1,   13,   13,   13,   13,
+
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,    1,   16,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+extern int zconf_flex_debug;
+int zconf_flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *zconftext;
+
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+#define START_STRSIZE	16
+
+static struct {
+	struct file *file;
+	int lineno;
+} current_pos;
+
+static char *text;
+static int text_size, text_asize;
+
+struct buffer {
+        struct buffer *parent;
+        YY_BUFFER_STATE state;
+};
+
+struct buffer *current_buf;
+
+static int last_ts, first_ts;
+
+static void zconf_endhelp(void);
+static void zconf_endfile(void);
+
+void new_string(void)
+{
+	text = malloc(START_STRSIZE);
+	text_asize = START_STRSIZE;
+	text_size = 0;
+	*text = 0;
+}
+
+void append_string(const char *str, int size)
+{
+	int new_size = text_size + size + 1;
+	if (new_size > text_asize) {
+		new_size += START_STRSIZE - 1;
+		new_size &= -START_STRSIZE;
+		text = realloc(text, new_size);
+		text_asize = new_size;
+	}
+	memcpy(text + text_size, str, size);
+	text_size += size;
+	text[text_size] = 0;
+}
+
+void alloc_string(const char *str, int size)
+{
+	text = malloc(size + 1);
+	memcpy(text, str, size);
+	text[size] = 0;
+}
+
+#define INITIAL 0
+#define COMMAND 1
+#define HELP 2
+#define STRING 3
+#define PARAM 4
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int zconfwrap (void );
+#else
+extern int zconfwrap (void );
+#endif
+#endif
+
+    static void yyunput (int c,char *buf_ptr  );
+    
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO (void) fwrite( zconftext, zconfleng, 1, zconfout )
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	errno=0; \
+	while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \
+	{ \
+		if( errno != EINTR) \
+		{ \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+			break; \
+		} \
+		errno=0; \
+		clearerr(zconfin); \
+	}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int zconflex (void);
+
+#define YY_DECL int zconflex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after zconftext and zconfleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+    
+	int str = 0;
+	int ts, i;
+
+	if ( (yy_init) )
+		{
+		(yy_init) = 0;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! zconfin )
+			zconfin = stdin;
+
+		if ( ! zconfout )
+			zconfout = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			zconfensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				zconf_create_buffer(zconfin,YY_BUF_SIZE );
+		}
+
+		zconf_load_buffer_state( );
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of zconftext. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)]  ]) > 0 )
+			++yy_cp;
+
+		yy_current_state = -yy_current_state;
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+case 1:
+/* rule 1 can match eol */
+case 2:
+/* rule 2 can match eol */
+YY_RULE_SETUP
+{
+	current_file->lineno++;
+	return T_EOL;
+}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+{
+	BEGIN(COMMAND);
+}
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+{
+	unput(zconftext[0]);
+	BEGIN(COMMAND);
+}
+	YY_BREAK
+
+case 6:
+YY_RULE_SETUP
+{
+		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
+		BEGIN(PARAM);
+		current_pos.file = current_file;
+		current_pos.lineno = current_file->lineno;
+		if (id && id->flags & TF_COMMAND) {
+			zconflval.id = id;
+			return id->token;
+		}
+		alloc_string(zconftext, zconfleng);
+		zconflval.string = text;
+		return T_WORD;
+	}
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+
+	YY_BREAK
+case 8:
+/* rule 8 can match eol */
+YY_RULE_SETUP
+{
+		BEGIN(INITIAL);
+		current_file->lineno++;
+		return T_EOL;
+	}
+	YY_BREAK
+
+case 9:
+YY_RULE_SETUP
+return T_AND;
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+return T_OR;
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+return T_OPEN_PAREN;
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+return T_CLOSE_PAREN;
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+return T_NOT;
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+return T_EQUAL;
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+return T_UNEQUAL;
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+{
+		str = zconftext[0];
+		new_string();
+		BEGIN(STRING);
+	}
+	YY_BREAK
+case 17:
+/* rule 17 can match eol */
+YY_RULE_SETUP
+BEGIN(INITIAL); current_file->lineno++; return T_EOL;
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+/* ignore */
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+{
+		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
+		if (id && id->flags & TF_PARAM) {
+			zconflval.id = id;
+			return id->token;
+		}
+		alloc_string(zconftext, zconfleng);
+		zconflval.string = text;
+		return T_WORD;
+	}
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+/* comment */
+	YY_BREAK
+case 21:
+/* rule 21 can match eol */
+YY_RULE_SETUP
+current_file->lineno++;
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+
+	YY_BREAK
+case YY_STATE_EOF(PARAM):
+{
+		BEGIN(INITIAL);
+	}
+	YY_BREAK
+
+case 23:
+/* rule 23 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
+YY_RULE_SETUP
+{
+		append_string(zconftext, zconfleng);
+		zconflval.string = text;
+		return T_WORD_QUOTE;
+	}
+	YY_BREAK
+case 24:
+YY_RULE_SETUP
+{
+		append_string(zconftext, zconfleng);
+	}
+	YY_BREAK
+case 25:
+/* rule 25 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
+YY_RULE_SETUP
+{
+		append_string(zconftext + 1, zconfleng - 1);
+		zconflval.string = text;
+		return T_WORD_QUOTE;
+	}
+	YY_BREAK
+case 26:
+YY_RULE_SETUP
+{
+		append_string(zconftext + 1, zconfleng - 1);
+	}
+	YY_BREAK
+case 27:
+YY_RULE_SETUP
+{
+		if (str == zconftext[0]) {
+			BEGIN(PARAM);
+			zconflval.string = text;
+			return T_WORD_QUOTE;
+		} else
+			append_string(zconftext, 1);
+	}
+	YY_BREAK
+case 28:
+/* rule 28 can match eol */
+YY_RULE_SETUP
+{
+		printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
+		current_file->lineno++;
+		BEGIN(INITIAL);
+		return T_EOL;
+	}
+	YY_BREAK
+case YY_STATE_EOF(STRING):
+{
+		BEGIN(INITIAL);
+	}
+	YY_BREAK
+
+case 29:
+YY_RULE_SETUP
+{
+		ts = 0;
+		for (i = 0; i < zconfleng; i++) {
+			if (zconftext[i] == '\t')
+				ts = (ts & ~7) + 8;
+			else
+				ts++;
+		}
+		last_ts = ts;
+		if (first_ts) {
+			if (ts < first_ts) {
+				zconf_endhelp();
+				return T_HELPTEXT;
+			}
+			ts -= first_ts;
+			while (ts > 8) {
+				append_string("        ", 8);
+				ts -= 8;
+			}
+			append_string("        ", ts);
+		}
+	}
+	YY_BREAK
+case 30:
+/* rule 30 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
+YY_RULE_SETUP
+{
+		current_file->lineno++;
+		zconf_endhelp();
+		return T_HELPTEXT;
+	}
+	YY_BREAK
+case 31:
+/* rule 31 can match eol */
+YY_RULE_SETUP
+{
+		current_file->lineno++;
+		append_string("\n", 1);
+	}
+	YY_BREAK
+case 32:
+YY_RULE_SETUP
+{
+		append_string(zconftext, zconfleng);
+		if (!first_ts)
+			first_ts = last_ts;
+	}
+	YY_BREAK
+case YY_STATE_EOF(HELP):
+{
+		zconf_endhelp();
+		return T_HELPTEXT;
+	}
+	YY_BREAK
+
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(COMMAND):
+{
+	if (current_file) {
+		zconf_endfile();
+		return T_EOL;
+	}
+	fclose(zconfin);
+	yyterminate();
+}
+	YY_BREAK
+case 33:
+YY_RULE_SETUP
+YY_FATAL_ERROR( "flex scanner jammed" );
+	YY_BREAK
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed zconfin at a new source and called
+			 * zconflex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_c_buf_p);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( zconfwrap( ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * zconftext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+} /* end of zconflex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			size_t num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			zconfrestart(zconfin  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	register int yy_is_jam;
+    
+	yy_current_state = yy_nxt[yy_current_state][1];
+	yy_is_jam = (yy_current_state <= 0);
+
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+    static void yyunput (int c, register char * yy_bp )
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
+
+	/* undo effects of setting up zconftext */
+	*yy_cp = (yy_hold_char);
+
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register int number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+		register char *source =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					zconfrestart(zconfin );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( zconfwrap( ) )
+						return EOF;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve zconftext */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void zconfrestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        zconfensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            zconf_create_buffer(zconfin,YY_BUF_SIZE );
+	}
+
+	zconf_init_buffer(YY_CURRENT_BUFFER,input_file );
+	zconf_load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void zconf_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		zconfpop_buffer_state();
+	 *		zconfpush_buffer_state(new_buffer);
+     */
+	zconfensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	zconf_load_buffer_state( );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (zconfwrap()) processing, but the only time this flag
+	 * is looked at is after zconfwrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void zconf_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE zconf_create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	zconf_init_buffer(b,file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with zconf_create_buffer()
+ * 
+ */
+    void zconf_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		zconffree((void *) b->yy_ch_buf  );
+
+	zconffree((void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a zconfrestart() or at EOF.
+ */
+    static void zconf_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	zconf_flush_buffer(b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then zconf_init_buffer was _probably_
+     * called from zconfrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void zconf_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		zconf_load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	zconfensure_buffer_stack();
+
+	/* This block is copied from zconf_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from zconf_switch_to_buffer. */
+	zconf_load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void zconfpop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	zconf_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		zconf_load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void zconfensure_buffer_stack (void)
+{
+	int num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE zconf_scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	zconf_switch_to_buffer(b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to zconflex() will
+ * scan from a @e copy of @a str.
+ * @param yy_str a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       zconf_scan_bytes() instead.
+ */
+YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
+{
+    
+	return zconf_scan_bytes(yy_str,strlen(yy_str) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * bytes, int  len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = len + 2;
+	buf = (char *) zconfalloc(n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
+
+	for ( i = 0; i < len; ++i )
+		buf[i] = bytes[i];
+
+	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = zconf_scan_buffer(buf,n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up zconftext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		zconftext[zconfleng] = (yy_hold_char); \
+		(yy_c_buf_p) = zconftext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		zconfleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int zconfget_lineno  (void)
+{
+        
+    return zconflineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *zconfget_in  (void)
+{
+        return zconfin;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *zconfget_out  (void)
+{
+        return zconfout;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int zconfget_leng  (void)
+{
+        return zconfleng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *zconfget_text  (void)
+{
+        return zconftext;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void zconfset_lineno (int  line_number )
+{
+    
+    zconflineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see zconf_switch_to_buffer
+ */
+void zconfset_in (FILE *  in_str )
+{
+        zconfin = in_str ;
+}
+
+void zconfset_out (FILE *  out_str )
+{
+        zconfout = out_str ;
+}
+
+int zconfget_debug  (void)
+{
+        return zconf_flex_debug;
+}
+
+void zconfset_debug (int  bdebug )
+{
+        zconf_flex_debug = bdebug ;
+}
+
+/* zconflex_destroy is for both reentrant and non-reentrant scanners. */
+int zconflex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		zconf_delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		zconfpop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	zconffree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+	register int i;
+    	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+	register int n;
+    	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *zconfalloc (yy_size_t  size )
+{
+	return (void *) malloc( size );
+}
+
+void *zconfrealloc  (void * ptr, yy_size_t  size )
+{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+}
+
+void zconffree (void * ptr )
+{
+	free( (char *) ptr );	/* see zconfrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#undef YY_NEW_FILE
+#undef YY_FLUSH_BUFFER
+#undef yy_set_bol
+#undef yy_new_buffer
+#undef yy_set_interactive
+#undef yytext_ptr
+#undef YY_DO_BEFORE_ACTION
+
+#ifdef YY_DECL_IS_OURS
+#undef YY_DECL_IS_OURS
+#undef YY_DECL
+#endif
+
+void zconf_starthelp(void)
+{
+	new_string();
+	last_ts = first_ts = 0;
+	BEGIN(HELP);
+}
+
+static void zconf_endhelp(void)
+{
+	zconflval.string = text;
+	BEGIN(INITIAL);
+}
+
+/*
+ * Try to open specified file with following names:
+ * ./name
+ * $(srctree)/name
+ * The latter is used when srctree is separate from objtree
+ * when compiling the kernel.
+ * Return NULL if file is not found.
+ */
+FILE *zconf_fopen(const char *name)
+{
+	char *env, fullname[PATH_MAX+1];
+	FILE *f;
+
+	f = fopen(name, "r");
+	if (!f && name[0] != '/') {
+		env = getenv(SRCTREE);
+		if (env) {
+			sprintf(fullname, "%s/%s", env, name);
+			f = fopen(fullname, "r");
+		}
+	}
+	return f;
+}
+
+void zconf_initscan(const char *name)
+{
+	zconfin = zconf_fopen(name);
+	if (!zconfin) {
+		printf("can't find file %s\n", name);
+		exit(1);
+	}
+
+	current_buf = malloc(sizeof(*current_buf));
+	memset(current_buf, 0, sizeof(*current_buf));
+
+	current_file = file_lookup(name);
+	current_file->lineno = 1;
+	current_file->flags = FILE_BUSY;
+}
+
+void zconf_nextfile(const char *name)
+{
+	struct file *file = file_lookup(name);
+	struct buffer *buf = malloc(sizeof(*buf));
+	memset(buf, 0, sizeof(*buf));
+
+	current_buf->state = YY_CURRENT_BUFFER;
+	zconfin = zconf_fopen(name);
+	if (!zconfin) {
+		printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+		exit(1);
+	}
+	zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
+	buf->parent = current_buf;
+	current_buf = buf;
+
+	if (file->flags & FILE_BUSY) {
+		printf("recursive scan (%s)?\n", name);
+		exit(1);
+	}
+	if (file->flags & FILE_SCANNED) {
+		printf("file %s already scanned?\n", name);
+		exit(1);
+	}
+	file->flags |= FILE_BUSY;
+	file->lineno = 1;
+	file->parent = current_file;
+	current_file = file;
+}
+
+static void zconf_endfile(void)
+{
+	struct buffer *parent;
+
+	current_file->flags |= FILE_SCANNED;
+	current_file->flags &= ~FILE_BUSY;
+	current_file = current_file->parent;
+
+	parent = current_buf->parent;
+	if (parent) {
+		fclose(zconfin);
+		zconf_delete_buffer(YY_CURRENT_BUFFER);
+		zconf_switch_to_buffer(parent->state);
+	}
+	free(current_buf);
+	current_buf = parent;
+}
+
+int zconf_lineno(void)
+{
+	return current_pos.lineno;
+}
+
+char *zconf_curname(void)
+{
+	return current_pos.file ? current_pos.file->name : "<none>";
+}
+