scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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memcmp.c (230B)

      1 #include <string.h>
      2 
      3 #undef memcmp
      4 
      5 int
      6 memcmp(const void *s1, const void *s2, size_t n)
      7 {
      8 	const unsigned char *s = s1;
      9 	const unsigned char *t = s2;
     10 
     11 	for (; n > 0 && *s == *t; --n)
     12 		++s, ++t;
     13 
     14 	return (n > 0) ? *s - *t : 0;
     15 }