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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <sys/types.h>
  4. int main(void){
  5.  pid_t pid;
  6.  execlp("/bin/ls","ls","-al",NULL);
  7.  pid =fork();
  8. if(pid==0){
  9.  printf("Child pid: %d\n", pid);
  10.  pid =fork();
  11. if(pid==0){
  12.  printf("Child pid: %d\n", pid);
  13.  }
  14.  }
  15.  return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5556KB
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stdin
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Standard input is empty
stdout
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total 24
drwxr-x--- 2 root 1000  4096 Jun 21 20:08 .
drwxr-xr-x 4 root root  4096 Jun 21 20:08 ..
-rwxr-xr-x 1 root root 14312 Jun 21 20:08 prog
https://ideone.com/EqlN7c
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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