getrandom
right = getrandom(rangemax + 1, op, 1);
left = getrandom(rangemax + 1, op, 0);
result = getrandom(rangemax + 1, op, 0);
left = getrandom(rangemax + 1, op, 0);
right = getrandom(rangemax, op, 1) + 1;
result = getrandom(rangemax + 1, op, 0);
static int getrandom(int, int, int);
s = getrandom(entropy_buffer, sizeof entropy_buffer, 0);
__weak_alias(getrandom,rump___sysimpl_getrandom);
ssize_t getrandom(void *, size_t, unsigned int);
n = getrandom(buf, sizeof buf, GRND_NONBLOCK);
n = getrandom(buf, sizeof buf, GRND_INSECURE);
n = getrandom(buf, sizeof buf, GRND_INSECURE|GRND_NONBLOCK);
n = getrandom(buf, sizeof buf, GRND_RANDOM);
n = getrandom(buf, sizeof buf, GRND_RANDOM|GRND_NONBLOCK);
n = getrandom(buf, sizeof buf, GRND_RANDOM|GRND_INSECURE);
n = getrandom(buf, sizeof buf,
n = getrandom(buf, sizeof buf,
n = getrandom(NULL, sizeof buf, GRND_INSECURE|GRND_NONBLOCK);
n = getrandom(buf, sizeof buf, 0);