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Command: rand | Section: 3 | Source: UNIX v7 | File: rand.3
RAND(3) Library Functions Manual RAND(3)
NAME
rand, srand - random number generator
SYNOPSIS
srand(seed)
int seed;
rand( )
DESCRIPTION
Rand uses a multiplicative congruential random number generator with
period 232 to return successive pseudo-random numbers in the range from
0 to 2150-1.
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.
RAND(3)