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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 【我解C語言面試題系列】010 從相應位置開始刪除指定字符串的相應個字符 **從相應位置開始刪除指定字符串的相應個字符** 假設一個字符串 " abcdefg ",那么請你寫一個函數,該函數將會從指定位置開始,刪除指定長度的字符。如:要從第二個開始,刪除2兩個字符。則刪除后的字符串是“adefg”。 ~~~ char *DeleteTheCharacters(char *str,int pos,int len) { ?? char *p = str+pos-1; ?? int tt = strlen(str); ?? ?? // If over the p && (p + len) over the length of str ?? if( pos < 1)???????? return str; ?? if( (p-str) > tt )?? return str; ?? if( (p+len-str) > tt) ?? { ?? ??? *p = '/0'; ????? return str; ?? } ?? ?? //Delete the len characters ?? while(*p && *(p+len)) ?? { ????? *p = *(p+len); ????? p++; ?? } ?? *p = '/0'; ?? ?? return str; } ~~~
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