Relational and bitwise comparisons 關(guān)系比較和按位比較
Function and the value of the individual file attribute you want 函數(shù)返回的值以及您想要的個(gè)別文件屬性值執(zhí)行按位比較。
And operator to perform a bitwise comparison of the value returned by the 函數(shù)所返回的值與要確定的各個(gè)文件屬性的值進(jìn)行按位比較。
For a bitwise comparison , the result data type is a numeric type appropriate for the data types of 對(duì)于按位比較,結(jié)果數(shù)據(jù)類型是適合于
Simple enumerations contain values that are not combined or used in bitwise comparisons 簡(jiǎn)單枚舉包含的值不用于組合,也不用于按位比較。
Operator performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in 運(yùn)算符對(duì)兩個(gè)數(shù)值表達(dá)式中的位置相同的位執(zhí)行按位比較,并且按下表設(shè)置
And operator performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in 運(yùn)算符對(duì)兩個(gè)數(shù)值表達(dá)式中位置相同的位執(zhí)行按位比較,并且按下表設(shè)置