e768c1be41
page from the compatibility library. - Add new implementations of insque() and remque() which conform to IEEE Std 1003.1-2001 to libc. Add a new manual page for them and connect them to the build. - Add the prototypes of insque() and remque() to the search.h header.
60 lines
1.1 KiB
Groff
60 lines
1.1 KiB
Groff
.\"
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.\" Initial implementation:
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.\" Copyright (c) 2002 Robert Drehmel
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.\" All rights reserved.
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.\"
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.\" As long as the above copyright statement and this notice remain
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.\" unchanged, you can do what ever you want with this file.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 10, 2002
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.Dt INSQUE 3
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.Os
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.Sh NAME
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.Nm insque ,
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.Nm remque
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.Nd doubly-linked list management
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In search.h
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.Ft void
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.Fn insque "void *element1" "void *pred"
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.Ft void
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.Fn remque "void *element"
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.Sh DESCRIPTION
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.Pp
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The
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.Fn insque
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and
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.Fn remque
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functions encapsulate the ever-repeating task of doing insertion and
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removal operations on doubly linked lists. The functions expect their
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arguments to point to a structure whose first and second members are
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pointers to the next and previous element, respectively.
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The
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.Fn insque
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functions also allows the
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.Fa pred
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argument to be a NULL pointer for the initialization of a new list's
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head element.
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.Sh HISTORY
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The
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.Fn insque
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and
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.Fn remque
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functions appeared in
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.Bx 4.2 .
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In
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.Fx 5.0 ,
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they reappeared conforming to
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.St -p1003.1-2001 .
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.Sh STANDARDS
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The
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.Fn insque
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and
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.Fn remque
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functions conform to
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.St -p1003.1-2001 .
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