strncmp()函数

strncmp

语法:

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? #include <string.h>

? int strncmp( const char *str1, const char *str2, size_t count );

功能：比较字符串str1 和 str2中至多count个字符。返回值如下：

返回值??????????????????????????????? 解释

less than 0????????????? str1 is less than str2

equal to 0?????????????? str1 is equal to str2

greater than 0????? str1 is greater than str2

如果参数中任一字符串长度小于count, 那么当比较到第一个空值结束符时，就结束处理。