fork demo

main.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>


int main(int argc, char **argv) {
    fprintf(stderr, "Program starting with pid %d\n", getpid());
    
    pid_t forkvalue = fork();
    fprintf(stderr, "Fork returned %d in pid %d\n", forkvalue, getpid());
    
    return 0;
}