net

#include<stdio.h>
#include<stdlib.h>
#include<errno.h>
#include<unistd.h>
#include<sys/wait.h>

int main(void)
{
pid_t pid;
pid=fork();
if(pid<0)
{
perror("ERROR");
exit(1);
}
else if(pid==0)
{
printf("This is the child proces\n");
printf("My pid is:%d\n",getpid());
printf("My parent id is:%d\n",getppid());
exit(1);
}
else
{
printf("This is the parent process\n");
printf("my pid is:%d\n",getpid());
printf("my child's id:%d\n",pid);
exit(1);
}
return 0;
}