// broken attempt to implement cd
// chdir() affects only this process and any it runs
// this versions prints out the current working
// directory while this process is running

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

int main(int argc, char *argv[]) {
    if (argc > 1 && chdir(argv[1]) != 0) {
        perror("chdir");
        return 1;
    }
    char pathname[PATH_MAX];
    if (getcwd(pathname, sizeof pathname) == NULL) {
        perror("getcwd");
        return 1;
    }
    printf("getcwd() returned %s\n", pathname);

    return 0;
}