Author: joel (doc committer)
Date: Sun Apr 21 10:30:19 2013
New Revision: 249721
URL: http://svnweb.freebsd.org/changeset/base/249721
Log:
Add example.
PR: 177025
Submitted by: Fernando <fernando.apesteg...@gmail.com>
Reviewed by: theraven
Modified:
head/lib/libc/stdlib/lsearch.3
Modified: head/lib/libc/stdlib/lsearch.3
==============================================================================
--- head/lib/libc/stdlib/lsearch.3 Sun Apr 21 10:08:33 2013
(r249720)
+++ head/lib/libc/stdlib/lsearch.3 Sun Apr 21 10:30:19 2013
(r249721)
@@ -8,7 +8,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd October 11, 2002
+.Dd April 21, 2013
.Dt LSEARCH 3
.Os
.Sh NAME
@@ -81,6 +81,47 @@ returns
Both functions return
.Dv NULL
if an error occurs.
+.Sh EXAMPLES
+.Bd -literal
+#include <search.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static int
+element_compare(const void *p1, const void *p2)
+{
+ int left = *(const int *)p1;
+ int right = *(const int *)p2;
+
+ return (left - right);
+}
+
+int
+main(int argc, char **argv)
+{
+ const int array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+ size_t element_size = sizeof(array[0]);
+ size_t array_size = sizeof(array) / element_size;
+ int key;
+ void *element;
+
+ printf("Enter a number: ");
+ if (scanf("%d", &key) != 1) {
+ printf("Bad input\n");
+ return (EXIT_FAILURE);
+ }
+
+ element = lfind(&key, array, &array_size, element_size,
+ element_compare);
+
+ if (element != NULL)
+ printf("Element found: %d\n", *(int *)element);
+ else
+ printf("Element not found\n");
+
+ return (EXIT_SUCCESS);
+}
+.Ed
.Sh SEE ALSO
.Xr bsearch 3 ,
.Xr hsearch 3 ,
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