1 files changed, 2 insertions, 2 deletions
diff --git a/buffer.h b/buffer.h
index 6ab53d7..c32b84b 100644
--- a/buffer.h
+++ b/buffer.h
@@ -56,11 +56,11 @@ unsigned char buf_getbool(buffer* buf);
 void buf_putbyte(buffer* buf, unsigned char val);
 unsigned char* buf_getptr(buffer* buf, unsigned int len);
 unsigned char* buf_getwriteptr(buffer* buf, unsigned int len);
-unsigned char* buf_getstring(buffer* buf, unsigned int *retlen);
+char* buf_getstring(buffer* buf, unsigned int *retlen);
 buffer * buf_getstringbuf(buffer *buf);
 void buf_eatstring(buffer *buf);
 void buf_putint(buffer* buf, unsigned int val);
-void buf_putstring(buffer* buf, const unsigned char* str, unsigned int len);
+void buf_putstring(buffer* buf, const char* str, unsigned int len);
 void buf_putbufstring(buffer *buf, const buffer* buf_str);
 void buf_putbytes(buffer *buf, const unsigned char *bytes, unsigned int len);
 void buf_putmpint(buffer* buf, mp_int * mp);