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.TH LIBSIMPLE_UNLIST 3 2018-11-05 libsimple
.SH NAME
libsimple_unlist \- remove item for array and keep order
.SH SYNOPSIS
.nf
#include <libsimple.h>
void libsimple_unlist(void *\fIlist\fP, size_t \fIi\fP, size_t *\fInp\fP, size_t \fIwidth\fP);
void LIBSIMPLE_UNLIST(\fItype\fP *\fIlist\fP, size_t \fIi\fP, size_t *\fInp\fP);
#ifndef unlist
# define unlist libsimple_unlist
#endif
#ifndef UNLIST
# define UNLIST LIBSIMPLE_UNLIST
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_unlist ()
function removes the
.IR i th
element from
.IR list ,
and pushes up all following elements one step, so
next element take the removed elements position. The
.I width
parameter shall be the size of each element, in bytes,
.RI ( sizeof(*list)
in all sane circumstances).
.I np
shall be a pointer to the number of elements stored in
.IR list ,
.I *np
will be set to
.IR *np-1 .
The function assumes that
.IR i<*np .
.PP
.BR LIBSIMPLE_UNLIST ()
is a macro-wrapper for the
.BR libsimple_unlist ()
function which does not have the parameter
.IR width ,
instead it is inferred from the type of
.IR list ;
as such,
.I type
must be a complete, non-void type.
.SH RETURN VALUE
None.
.SH ERRORS
The
.BR libsimple_unlist ()
and
.BR LIBSIMPLE_UNLIST ()
functions cannot fail.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface Attribute Value
T{
.BR libsimple_unlist (),
.br
.BR LIBSIMPLE_UNLIST ()
T} Thread safety MT-Safe
T{
.BR libsimple_unlist (),
.br
.BR LIBSIMPLE_UNLIST ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_unlist (),
.br
.BR LIBSIMPLE_UNLIST ()
T} Async-cancel safety AC-Safe
.TE
.SH EXAMPLES
None.
.SH APPLICATION USAGE
None.
.SH RATIONALE
None.
.SH FUTURE DIRECTIONS
None.
.SH NOTES
None.
.SH BUGS
None.
.SH SEE ALSO
.BR memmove (3)
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