1 #include <string.h> 2 __memrchr(const void * m,int c,size_t n)3 void *__memrchr(const void *m, int c, size_t n) 4 { 5 const unsigned char *s = m; 6 c = (unsigned char)c; 7 while (n--) if (s[n]==c) return (void *)(s+n); 8 return 0; 9 } 10 11 weak_alias(__memrchr, memrchr); 12