#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "log.h"     //reporting and logging functions

void A();
void B();

/* function main ----------------------------------------- */
void main()
{
  pid_t pid;

  printf("I am the process before fork(), my pid=%u\n",
         getpid());
  if ((pid = fork()) < 0)
    sys_exit("fork error");

  if (pid == 0)  // child process
    B();         // B does not return, it exits
  else           // parent process
    A();         // A does not return, it exits

}/* end main */


/* function A -------------------------------------------- */
void A()
{
  printf("I am doing A, my pid=%u\n",getpid());
  fflush(stdout);
  exit(0);

}/* end A */


/* function B -------------------------------------------- */
void B()
{
  printf("I am doing B, my pid=%u\n",getpid());
  fflush(stdout);
  exit(0);

}/* and B */