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

int main() {
	char path[200];

	if (getcwd(path, sizeof(path)) == NULL) {
		perror("getcwd");
		exit(EXIT_FAILURE);
	}
	printf("cwd = %s\n", path);

	if (chdir("/tmp") < 0) {
		perror("chdir");
		exit(EXIT_FAILURE);
	}

	printf("chdir to /tmp succeeded\n");
	

	if (getcwd(path, sizeof(path)) == NULL) {
		perror("getcwd");
		exit(EXIT_FAILURE);
	}
	printf("cwd = %s\n", path);
	// fflush(NULL);

	system("ls");

	exit(EXIT_SUCCESS);
}