Run Exit

Task

Implement the function run_exit

• Check if the exit command is called correctly (with no arguments), then call exit(EXIT_SUCCESS) to terminate the program
• If arguments are provided, print usage: exit to stderr and return -1 (do NOT exit)
• Takes argc (number of arguments) and return 0 on success, -1 on error

IMPORTANT

When the exit command is correct, your function should call exit(EXIT_SUCCESS) and never return

Function Signature

// Handle the exit command. Should have argc == 1 (just "exit", no args).
// If correct, call exit(EXIT_SUCCESS). If wrong, print usage error and return -1.
int run_exit(int argc);

---

Example

$ gcc run_exit.c -o run_exit
$ ./run_exit
exit
$ echo $?
0
$ ./run_exit
exit arg1
usage: exit
$ ./run_exit
exit
<program exits immediately>

---

Code

#include <stdlib.h>
#include <stdio.h>
 
int run_exit(int argc)
{
    if(argc != 1){
        fprintf(stderr, "usage: exit");
        return -1;
    }
    exit(EXIT_SUCCESS);
}