var/da/makedepf90-2.8.8/strcasecmp.c

   1 #include <ctype.h>
   2
   3 int strcasecmp (const char *s1, const char *s2)
   4 /*
   5  * Use in case no 'strcasecmp' is found in libc on the system
   6  */
   7 {
   8     int diff;
   9
  10     while (*s1 && *s2) {
  11         if ((diff = (int) tolower(*s1) - (int) tolower(*s2)) != 0)
  12             return diff;
  13         s1++;
  14         s2++;
  15     }
  16
  17     if (*s1 == '\0' && *s2 == '\0')
  18         return 0;
  19     else if (*s1 == '\0')
  20         return -1;
  21     else
  22         return 1;
  23 }