Generate a random integer.

random_number_generator.c

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

int main(int argc, char* argv[]) {
 srand(time(NULL));
 unsigned seed = rand() % 1024;
 int r;
 srand(seed);
 r=rand();
 sleep(1);
 printf("%d",r);
 putchar('\n');
 return 0;
}