1/* public domain rewrite of strchr(3) and strrchr(3) */ 2 3#include "ruby/missing.h" 4 5size_t strlen(const char*); 6 7char * 8strchr(const char *s, int c) 9{ 10 if (c == 0) return (char *)s + strlen(s); 11 while (*s) { 12 if (*s == c) 13 return (char *)s; 14 s++; 15 } 16 return 0; 17} 18 19char * 20strrchr(const char *s, int c) 21{ 22 const char *save; 23 24 if (c == 0) return (char *)s + strlen(s); 25 save = 0; 26 while (*s) { 27 if (*s == c) 28 save = s; 29 s++; 30 } 31 return (char *)save; 32} 33