函式名: lfind
功 能: 執行線性搜尋
用 法: void *lfind(void *key, void *base, int *nelem, int width,
int (*fcmp)(const void *, const void *));
基本介紹
- 中文名：lfind
- 功 能：執行線性搜尋
- 用 法： void *lfind(void *key,
- 程式例：#include <stdlib.h>
示例
#include <stdlib.h>
#include <stdio.h>
#include <search.h>
int compare(int *x, int *y)
{
return( *x - *y );
}
int main(void)
{
int array[5] = {35, 87, 46, 99, 12};
size_t nelem = 5;
int key;
int *result;
key = 99;
result = lfind(&key, array, &nelem,
sizeof(int), (int(*)(const void *,const void *))compare);
if (result)
printf("Number %d found\n",key);
else
printf("Number %d not found\n",key);
return 0;
}
