Function strstr

src/PowerPC_EABI_Support/src/MSL_C/MSL_Common/string.c:271–296

}

char* strstr(const char *str, const char *pat) {
    unsigned char* s1 = (unsigned char*)str - 1;
    unsigned char* p1 = (unsigned char*)pat - 1;
    unsigned long firstc, c1, c2;

    if ((pat == 0) || (!(firstc = *++p1))) {
        return ((char*)str);
    }

    while (c1 = *++s1) {
        if (c1 == firstc) {
            const unsigned char* s2 = s1 - 1;
            const unsigned char* p2 = p1 - 1;

            while ((c1 = *++s2) == (c2 = *++p2) && c1) {

            }

            if (!c2) {
                return ((char*)s1);
            }
        }
    }

    return NULL;
}

void strerror(void)
{