Function whichrng

src/rnd.c:31–40

};

staticfn int
whichrng(int (*fn)(int))
{
    int i;

    for (i = 0; i < SIZE(rnglist); ++i)
        if (rnglist[i].fn == fn)
            return i;
    return -1;
}

void
init_isaac64(unsigned long seed, int (*fn)(int))