#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
 
 
 
float a=0.0;
float b=0.0;
float c=0.0;
 
int main()
{
 
float a=0.0;
float b=0.0;
float c=0.0;
 
pid_t pid;
pid_t cpid;
int status;
 
 
pid = fork();
 
if (pid == 0) 
{
    a=1+1;
    printf("a: (in Proc)= %.2f\n",a);
    sleep(5);
    exit(0);
} else {
    if ((cpid=wait(&status)) == pid)
    {
        printf("Child %d returned\n",pid);
    }
    b=2+2;
    printf("a: (in Parent)=%.2f\n", a);
    printf("b=%.2f\n", b);
    c=a+b;
    printf("c=%.2f\n", c);
 
}
 
 
return 0;
 
}