int die_on_error);
const char *real_path(const char *path);
const char *real_path_if_valid(const char *path);
-char *real_pathdup(const char *path);
+char *real_pathdup(const char *path, int die_on_error);
const char *absolute_path(const char *path);
char *absolute_pathdup(const char *path);
const char *remove_leading_path(const char *in, const char *prefix);