Pie  |  9.0.0_r8
C++程序  |  18行  |  192 B 

/*
 * strchr.c
 */

#include <string.h>
#include "mystuff.h"

char *strchr(const char *s, int c)
{
    while (*s != (char)c) {
	if (!*s)
	    return NULL;
	s++;
    }

    return (char *)s;
}