insque(SLIB)

insque, remque -- insert/remove element from a queue

Syntax

cc ... -lsocket

struct qelem {
	struct	qelem *q_forw;
	struct	qelem *q_back;
	char	q_data[];
};

void
insque(elem, pred)
struct qelem *elem, *pred;

void
remque(elem)
struct qelem *elem;

Description

insque and remque manipulate queues built from doubly linked lists. Each element in the queue must in the form of ``struct qelem''. insque inserts elem in a queue immediately after pred; remque removes an entry elem from a queue.