Dir_FindHereOrAbove
char *Dir_FindHereOrAbove(const char *, const char *) MAKE_ATTR_USE;
char *dir = Dir_FindHereOrAbove(curdir, start + 4);
name = Dir_FindHereOrAbove(curdir, fname + 4);
char *found_path = Dir_FindHereOrAbove(curdir, argvalue + 4);