srand
srand((unsigned) time((time_t *) 0));
srand((unsigned int)intval(vp));
srand((int)time(NULL)); /* random seed */
srand(371); /* non-random seed */
srand(i);
srand(time(NULL) + getpid());
#define srandom(x) srand(x)
srand(getpid());
void srand(unsigned);
srand(time(NULL));
srand(getpid()); /* initialize random sequence */
srand(getpid()); /* initialize random sequence */
srand(getpid());
srand ((unsigned int)time(NULL));
srand(now);