out_fd_ret 63 arch/um/drivers/harddog_kern.c extern int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock); out_fd_ret 30 arch/um/drivers/harddog_user.c int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) out_fd_ret 93 arch/um/drivers/harddog_user.c *out_fd_ret = out_fds[1];