/** sent by para_client, followed by the decrypted challenge number */
#define CHALLENGE_RESPONSE_MSG "challenge_response:"
-/* gui_common */
-int para_open_audiod_pipe(char *);
-int read_audiod_pipe(int, void (*)(char *));
-
/* exec */
int para_exec_cmdline_pid(pid_t *pid, const char *cmdline, int *fds);
int stat_line_valid(const char *);
void stat_client_write(const char *msg, int itemnum);
int stat_client_add(int fd, long unsigned mask);
-size_t for_each_line(char *buf, size_t n, void (*line_handler)(char *));
#define FOR_EACH_STAT_ITEM(i) for (i = 0; i < NUM_STAT_ITEMS; i++)
__printf_2_3 void para_log(int, const char*, ...);