HP C/iX Library Reference Manual (30026-90004)

Chapter 5 285

HP C/iX Library Function Descriptions

rand

Returns a random number.

Syntax

#include <stdlib.h>

int rand (void);

Parameters

None.

Return Values

x A pseudo-random integer in the range 0 to RAND_MAX. The macro RAND_MAX

expands to the value 32767.

Description

If the srand function is not used to initialize the random number generator to a particular

starting point, rand() returns the same sequence of numbers every time the program is

executed.