Details about the main function

main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char* argv[], char* envp[]) {
    int i;
    for (i = 0; i < argc; i++) {
        printf("%s\n", argv[i]);
    }
    
    for (i = 0; envp[i] != NULL; i++) {
        printf("%s\n", envp[i]);
    }
    
    return 0;
}