C语言中strstr()函数的使用

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#c #head_first_c

本文展示了一个使用C语言实现的简单程序，该程序通过字符串搜索功能查找特定兴趣点，如运动爱好者，同时排除不相关的结果，例如提及比伯的条目。此代码片段来自《Head First C》一书。

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#include<stdio.h>
#include<string.h>

int NUM_ADS = 7;
char * ADS[] = {
    "William: SBM GSOH likes sports, TV, dining",
    "Matt: SWM NS likes art, movies, theater",
    "Luis: SLM ND likes books, theater, art",
    "Mike: DWM DS likes trucks, sports and bieber",
    "Peter: SAM likes chess, working out and art",
    "Josh: SJM likes sports, movies and theater",
    "Jed: DBM likes theater, books and dining"
};

void find()
{
    int i;
    puts("Search results:" );
    puts("---------------------------" );

    for(i = 0; i < NUM_ADS; i++) {
        if(strstr (ADS[ i], "sports")
                && ! strstr(ADS [i], "biber" )) {

            printf ("%s\n", ADS[i ]);
        }
    }
    puts("---------------------------" );
}

int main()
{
    find();
}

//代码片段摘自 Head First C, by David Griffiths and Dawn Griffiths. 
//Copyright © 2012 David Griffiths and Dawn Griffiths. 
//All rights reserved. ISBN: 978-1-449-39991-7
//代码可能有修改和删节