srand function(Seed Pseudo-Random Number Generator) in C Language – example and detail

In the C Programming Language, the srand characteristic initializes the sequence of pseudo-random numbers generated when the rand function is called.


The syntax for the srand characteristic in the C Language is:

void srand(unsigned int seed);

Parameters or Arguments

seed The seed cost for the rand function. The seed fee determines a specific sequence of random numbers when calling the rand function. If a application continually makes use of the same seed value, the rand function will constantly get the equal sequence of numbers.


The srand functiondoes not return anything.

Required Header

In the C Language, the required header for the srand feature is:

#include <stdlib.h>

Applies To

In the C Language, the srand characteristic can be used in the following versions:

ANSI/ISO 9899-1990

Similar Functions

Other C features that are comparable to the srand function:

rand function <stdlib.h>