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-rw-r--r--coreutils/cal.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/coreutils/cal.c b/coreutils/cal.c
index 82ebf143a..3d617916e 100644
--- a/coreutils/cal.c
+++ b/coreutils/cal.c
@@ -77,6 +77,7 @@ static char *build_row(char *p, int *dp);
#define J_WEEK_LEN (WEEK_LEN + 7)
#define HEAD_SEP 2 /* spaces between day headings */
+int cal_main(int argc, char **argv);
int cal_main(int argc, char **argv)
{
struct tm *local_time;