__must_check __malloc char *para_dirname(const char *name);
__must_check char *para_basename(const char *name);
void chop(char *buf);
-__must_check __malloc char *para_tmpname(void);
__must_check __malloc char *para_logname(void);
__must_check __malloc char *para_homedir(void);
unsigned split_args(char *args, char *** const argv_ptr, const char *delim);