@(#)rand.3 6.4 (Berkeley) 05/17/89

.AT 3 rand, srand - random number generator

 srand(seed)  int seed; 

 rand() 

These interfaces are obsoleted by random(3).

They are available from the compatibility library, libcompat.

Rand uses a multiplicative congruential random number generator with period to return successive pseudo-random numbers in the range from 0 to

The generator is reinitialized by calling srand with 1 as argument. It can be set to a random starting point by calling srand with whatever you like as argument.

random(3)