lbasename
lbasename(pos->p_file), pos->p_line);
lbasename(pos->p_file), pos->p_line);
lbasename(pos->p_file), pos->p_line);
lbasename(curr_pos.p_file), curr_pos.p_line);
lbasename(curr_pos.p_file), curr_pos.p_line);
const char *fn = lbasename(fnames[filename]);