srand: sets a starting point for the sequence generated by rand() : srand « stdlib.h « C / ANSI-C

1. C / ANSI-C
2. stdlib.h
3. srand

srand: sets a starting point for the sequence generated by rand()

    

//Declaration: void srand(unsigned int seed); 
//Return:      returns pseudorandom numbers. 

  #include <stdio.h>
  #include <stdlib.h>
  #include <time.h>

  int main(void)
  {
    int i, stime;
    long ltime;

    /* get the current calendar time */
    ltime = time(NULL);
    stime = (unsigned) ltime/2;
    srand(stime);

    for(i=0; i<10; i++) printf("%d ", rand());

    return 0;
  }

         
/*
102945970 313540204 332847940 571983455 1581910325 1480843443 557969207 1849791826 646825873 673835253 */ 

           
       

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