cs350/user/uw-testbin/argtest/argtest.c

/*
 * Program to test argument passing: it displays the argc and all
 * of argv, and then exits.
 *
 * Intended for the basic system calls assignment. This may help
 * debugging the argument handling of execv().
 */

#include <stdio.h>

int
main(int argc, char *argv[])
{
	const char *tmp;
	int i;

	printf("argc   : %d\n", argc);
	printf("&tmp   : %p\n", &tmp);
	printf("&i     : %p\n", &i);
	printf("&argc  : %p\n", &argc);
	printf("&argv  : %p\n", &argv);
	printf("argv   : %p\n", argv);
	printf("\n");

	for (i=0; i<=argc; i++) {
		printf("&argv[%d] : %p\n", i, &argv[i]);
	}
	printf("\n");

	for (i=0; i<=argc; i++) {
		printf("argv[%d] : %p\n", i, argv[i]);
	}
	printf("\n");

	for (i=0; i<=argc; i++) {
		tmp = argv[i];
		if (tmp == NULL) {
			tmp = "[NULL]";
		}
		printf("argv[%d] -> %s\n", i, tmp);
	}

	return 0;
}