iOS Development--grammar OC Chapter &bool/bool/boolean/nscfboolean Four differences

Source: Internet
Author: User

Name Typedef Header True Value False Value
BOOL Signed Char Objc.h YES NO
bool _bool (int) Stdbool.h True False
Boolean unsigned char MacTypes.h TRUE FALSE
NSNumber __nscfboolean Foundation.h @ (YES) @ (NO)
Cfbooleanref struct CoreFoundation.h Kcfbooleantrue

iOS Development--grammar OC Chapter &bool/bool/boolean/nscfboolean four differences

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