com32/lib/strncmp.c

   1 /*
   2  * strncmp.c
   3  */
   4
   5 #include <string.h>
   6
   7 int strncmp(const char *s1, const char *s2, size_t n)
   8 {
   9   const unsigned char *c1 = s1, *c2 = s2;
  10   unsigned char ch;
  11   int d = 0;
  12
  13   while ( n-- ) {
  14     d = (int)(ch = *c1++) - (int)*c2++;
  15     if ( d || !ch )
  16       break;
  17   }
  18
  19   return d;
  20 }