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glibc  2.9
Functions
testrand.c File Reference
#include <stdlib.h>
#include <stdio.h>

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Functions

int main (void)

Function Documentation

int main ( void  )

Definition at line 23 of file testrand.c.

{
  int i1, i2;
  int j1, j2;

  /* The C standard says that "If rand is called before any calls to
     srand have been made, the same sequence shall be generated as
     when srand is first called with a seed value of 1." */
  i1 = rand();
  i2 = rand();
  srand (1);
  j1 = rand();
  j2 = rand();
  if (i1 < 0 || i2 < 0 || j1 < 0 || j2 < 0) {
      puts ("Test FAILED!");
  }
  if (j1 == i1 && j2 == i2)
    {
      puts ("Test succeeded.");
      return 0;
    }
  else
    {
      if (j1 != i1)
       printf ("%d != %d\n", j1, i1);
      if (j2 != i2)
       printf ("%d != %d\n", j2, i2);
      puts ("Test FAILED!");
      return 1;
    }
}

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