int para_accept(int fd, fd_set *rfds, void *addr, socklen_t size, int *new_fd);
int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
mode_t mode);
int para_accept(int fd, fd_set *rfds, void *addr, socklen_t size, int *new_fd);
int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
mode_t mode);