Ruby
2.0.0p247(2013-06-27revision41674)
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00001 /* public domain rewrite of memcmp(3) */ 00002 00003 #include "ruby/missing.h" 00004 #include <stddef.h> 00005 00006 int 00007 memcmp(const void *s1, const void *s2, size_t len) 00008 { 00009 register unsigned char *a = (unsigned char*)s1; 00010 register unsigned char *b = (unsigned char*)s2; 00011 register int tmp; 00012 00013 for (; len; --len) { 00014 if (tmp = *a++ - *b++) 00015 return tmp; 00016 } 00017 return 0; 00018 } 00019