Function SDL_strrev

deps/SDL2/src/stdlib/SDL_string.c:621–638

}

char *
SDL_strrev(char *string)
{
#if defined(HAVE__STRREV)
    return _strrev(string);
#else
    size_t len = SDL_strlen(string);
    char *a = &string[0];
    char *b = &string[len - 1];
    len /= 2;
    while (len--) {
        char c = *a;
        *a++ = *b;
        *b-- = c;
    }
    return string;
#endif /* HAVE__STRREV */
}

char *
SDL_strupr(char *string)