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#include<stdio.h>
int main()
{
 int forkRet;
 forkRet=fork();
 if(forkRet==0)
 {
 printf("In Child \n");
 printf("Fork Return value=%d\n",forkRet);
 printf("Process Id=%d ",getpid());
 printf("Parent Process ID=%d,getppid());
 }
 else
 {
 printf("In Parent \n");
 printf("Fork Return value=%d\n",forkRet);
 printf("Process Id=%d ",getpid());
 printf("Parent Process ID=%d,getppid());
 }
 return 0;
}
 

prog.c: In function 'main':
prog.c:5:2: warning: implicit declaration of function 'fork' [-Wimplicit-function-declaration]
  forkRet=fork();
  ^
prog.c:10:2: warning: implicit declaration of function 'getpid' [-Wimplicit-function-declaration]
  printf("Process Id=%d ",getpid());
  ^
prog.c:11:9: warning: missing terminating " character
  printf("Parent Process ID=%d,getppid());
         ^
prog.c:11:2: error: missing terminating " character
  printf("Parent Process ID=%d,getppid());
  ^
prog.c:12:2: error: expected expression before '}' token
  }
  ^
prog.c:12:2: error: expected ';' before '}' token
prog.c:18:9: warning: missing terminating " character
  printf("Parent Process ID=%d,getppid());
         ^
prog.c:18:2: error: missing terminating " character
  printf("Parent Process ID=%d,getppid());
  ^
prog.c:19:2: error: expected expression before '}' token
  }
  ^
prog.c:19:2: error: expected ';' before '}' token

Standard output is empty