srand(1) - phpMan
srand (3) - pseudo-random number generator srand (3p) - pseudo-random number generator srand48 (3) - generate uniformly distributed pseudo-random numbers srand48 (3p) - generate uniformly distributed pseudo-random numbers srand48_r (3) - generate uniformly distributed pseudo-random numbers r... srandom (3) - random number generator srandom (3p) - pseudo-random number functions srandom_r (3) - reentrant random number generator