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  1. #include<stdio.h>
  2. #include<sys/types.h>
  3. #include<unistd.h>
  4. #include<sys/wait.h> 
  5. int main(){
  6.         pid_t pid;
  7.         pid=fork();
  8.         if(pid<0){
  9.                 printf("fork() function failed");
  10.                 return 1;
  11.         }
  12.         else if(pid==0){
  13.                 printf("Child pid: %d\n", getpid());
  14.                 printf("Child ppid: %d\n", getppid());
  15.         }
  16.         else{
  17.                 printf("Parent pid: %d\n", getpid());
  18.                 printf("Parent ppid: %d\n", getppid());
  19.                 wait(NULL);
  20.         }
  21.         return 0;
  22. }
Success #stdin #stdout 0.01s 5272KB
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stdin
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Standard input is empty
stdout
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Child pid: 934648
Child ppid: 934643
Parent pid: 934643
Parent ppid: 934604
https://ideone.com/QUeZKi
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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