__must_check __malloc __printf_1_2 char *make_message(const char *fmt, ...);
__must_check __malloc char *para_strcat(char *a, const char *b);
__must_check __malloc char *para_dirname(const char *name);
-__must_check __malloc char *para_basename(const char *name);
+__must_check const char *para_basename(const char *name);
void chop(char* buf);
__must_check __malloc char *para_tmpname(void);
__must_check int para_mkstemp(char *template, mode_t mode);