Function strchr

examples/stdlib.c:2699–2706

}

static char *strchr(const char *src, int c0)
{
    char c = (char)c0;
    for (size_t i = 0; src[i] != '\0'; i++)
        if (src[i] == c)
            return (char *)(src + i);
    return NULL;
}

static char *strdup(const char *src)
{