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                ## strncasecmp ## 忽略大小寫比較字符串 ### 相關函數 ### bcmp,memcmp,strcmp,strcoll,strncmp ### 表頭文件 ### ``` #include<string.h> ``` ### 定義函數 ### ``` int strncasecmp(const char *s1, const char *s2, size_t n); ``` ### 函數說明 ### strncasecmp()用來比較參數s1和s2字符串前n個字符,比較時會自動忽略大小寫的差異。 ### 返回值 ### 若參數s1和s2 字符串相同則返回0。s1 若大于s2則返回大于0的值,s1若小于s2則返回小于0 的值。 ### 范例 ### ``` #include<string.h> main() { char *a="aBcDeF"; char *b="AbCdEf"; if(!strncasecmp(a,b)) printf("%s =%s\n",a,b); } ``` ### 執行 ### ``` aBcDef=AbCdEf ```
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