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  1. #include <sys/types.h>
  2. #include <stdio.h>
  3. #include <unistd.h>
  4. int value = 5;
  5. int main()
  6. {
  7.     pid_t pid;
  8.     pid = fork();
  9.     printf("j");
  10.     if (pid == 0) { /* child process */
  11.         printf("j");
  12.         value += 15;
  13.         execlp("/bin/ls", "ls", NULL);
  14.         printf("j");
  15.         return 0;
  16.     }
  17.     else if (pid > 0) { /* parent process */
  18.         wait(NULL);
  19.         printf("PARENT: value = %d",value); /* LINE A */
  20.         return 0;
  21.     }
  22. }
  23.  
Success #stdin #stdout 0s 5308KB
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stdin
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Standard input is empty
stdout
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prog
jPARENT: value = 5
https://ideone.com/Dah8dn
language:
C (gcc 8.3)
created:
30 days ago
visibility:
public

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