#include <limits.h>
#include <stdio.h>
#include <unistd.h>
#ifndef PATH_MAX
#define PATH_MAX 255
#endif
   
int main(void) {
    char mycwd[PATH_MAX];

    if (getcwd(mycwd, PATH_MAX) == NULL) {
        perror("Failed to get current working directory");
        return 1;
    }
    printf("Current working directory: %s\n", mycwd);
    return 0;
}