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Add EXAMPLES section, from Youri Mouton.

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wiz 2015-02-19 23:08:21 +00:00
parent 6a0d7a05a0
commit f95cba75d4
1 changed files with 19 additions and 2 deletions
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21
lib/libc/stdlib/reallocarr.3
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@ -1,4 +1,4 @@
.\" $NetBSD: reallocarr.3,v 1.2 2015/02/18 08:46:43 wiz Exp $
.\" $NetBSD: reallocarr.3,v 1.3 2015/02/19 23:08:21 wiz Exp $
.\"
.\" Copyright (c) 2015 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -26,7 +26,7 @@
.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.Dd February 5, 2015
.Dd February 19, 2015
.Dt REALLOCARR 3
.Os
.Sh NAME
@ -55,6 +55,23 @@ Otherwise, an error code (see
is returned and
.Fa *ptr
and the referenced memory is unmodified.
.Sh EXAMPLES
The following uses
.Fn reallocarr
to initialize an array of INITSIZE integers, then
resizes it to NEWSIZE elements:
.Bd -literal -offset indent
int *data = NULL;
int ret = 0;
ret = reallocarr(&data, INITSIZE, sizeof(*data));
if (ret)
errc(1, ret, "reallocarr failed");
ret = reallocarr(&data, NEWSIZE, sizeof(*data));
if (ret)
errc(1, ret, "reallocarr failed on resize");
.Ed
.Sh SEE ALSO
.Xr calloc 3
.Sh HISTORY