1570af302Sopenharmony_ci#include <string.h> 2570af302Sopenharmony_ci 3570af302Sopenharmony_cichar *strchr(const char *s, int c) 4570af302Sopenharmony_ci{ 5570af302Sopenharmony_ci char *r = __strchrnul(s, c); 6570af302Sopenharmony_ci return *(unsigned char *)r == (unsigned char)c ? r : 0; 7570af302Sopenharmony_ci} 8