Attachment #132689 for bug #177025

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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 ,

Return to bug 177025

Lines 81-86 Link Here

(-)lsearch.3 (+43 lines)
81	Both functions return	81	Both functions return
82	.Dv NULL	82	.Dv NULL
83	if an error occurs.	83	if an error occurs.
		84	.Sh EXAMPLES
		85	.Bd -literal
		86
		87	#include <search.h>
		88	#include <stdio.h>
		89	#include <stdlib.h>
		90
		91	static int
		92	element_compare(const void p1, const void p2)
		93	{
		94	int left = (const int )p1;
		95	int right = (const int )p2;
		96
		97	return (left - right);
		98	}
		99
		100	int
		101	main(int argc, char **argv)
		102	{
		103	const int array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
		104	size_t element_size = sizeof(array[0]);
		105	size_t array_size = sizeof(array) / element_size;
		106	int key;
		107	void *element;
		108
		109	printf("Enter a number: ");
		110	if (scanf("%d", &key) != 1) {
		111	printf("Bad input\n");
		112	return (EXIT_FAILURE);
		113	}
		114
		115	element = lfind (&key, array, &array_size, element_size, element_compare);
		116
		117	if (element != NULL)
		118	printf("Element found: %d\n", (int )element);
		119	else
		120	printf("Element not found\n");
		121
		122	return (EXIT_SUCCESS);
		123	}
		124
		125
		126	.Ed
84	.Sh SEE ALSO	127	.Sh SEE ALSO
85	.Xr bsearch 3 ,	128	.Xr bsearch 3 ,
86	.Xr hsearch 3 ,	129	.Xr hsearch 3 ,