fork(5) download 
  1. #include <stdio.h>
  2. #include <unistd.h>
  3. #include <sys/wait.h>
  4.  
  5. int main() {
  6.    int n = 1;
  7.    if(fork() == 0) {
  8.       printf("child");
  9.       n = n + 1;
  10.       exit(0);
  11.    }
  12.    n = n + 2;
  13.    printf("%ld: %d\n", (long)getpid(), n);
  14.    wait(0);
  15.    return 0;
  16. }
  17.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin 
Standard input is empty
stdout 
child23891: 3
https://ideone.com/a1tznH
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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