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INSQUE(3) BSD Library Functions Manual INSQUE(3)
insque, remque -- insert/remove element from a queue
Standard C Library (libc, -lc)
insque(void *elem, void *pred);
insque() and remque() manipulate queues built from doubly linked lists. The queue can be
either circular or linear. The functions expect their arguments to point to a structure
whose first and second members are pointers to the next and previous element, respectively.
The insque() function also allows the pred argument to be a NULL pointer for the initializa-
tion of a new linear list's head element.
The insque() and remque() functions conform to IEEE Std 1003.1-2001 (``POSIX.1'').
The insque() and remque() are derived from the 'insque' and 'remque' instructions on the
VAX. They first appeared in 4.2BSD.
BSD April 30, 2010 BSD
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