memcmp
语法:
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? #include <string.h> ? int memcmp( const void *buffer1, const void *buffer2, size_t count ); |
功能：函数比较buffer1 和 buffer2的前count 个字符。返回值如下:
Value???????????????????? 解释
less than 0???????????? buffer1 is less than buffer2
equal to 0?????????????? buffer1 is equal to buffer2
greater than 0?????? buffer1 is greater than buffer2