insque(3C)insque(3C)NAME
insque, remque - insert/remove element from a queue
SYNOPSIS
#include <search.h>
void insque(struct qelem *elem, struct qelem *pred);
void remque(struct qelem *elem);
#if _XOPEN_SOURCE
void insque(void *, void *);
void remque(void *);
#endif
DESCRIPTION
insque and remque manipulate queues built from doubly linked lists. Each
element in the queue must be in the following form:
struct qelem {
struct qelem *q_forw;
struct qelem *q_back;
char q_data[];
};
insque inserts elem in a queue immediately after pred. If the argument
pred is NULL, then the structure q_forw and q_back entries of the passed
structure pointed to by the struct pointer elem will be set to zeroes.
remque removes an entry elem from a queue.
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