// callee.c
#include <stdio.h>
#include <unistd.h>

int main(int argc, char *argv[], char *envp[]) {
    printf("--- In callee.c ---\n");
    printf("This program has taken over the process.\n");

    printf("argc: %d\n", argc);

    printf("\nArguments (argv):\n");
    for (int i = 0; argv[i] != NULL; i++) {
        printf("  argv[%d]: %s\n", i, argv[i]);
    }

    printf("\nEnvironment Variables (envp):\n");
    for (int i = 0; envp[i] != NULL; i++) {
        printf("  %s\n", envp[i]);
    }

    return 0;
}