BOOL is an Objective-C type defined as signed char.
bool is a defined version of the _Bool standard C type.
You should use BOOL for common use and Boolean in CF.
資料來源：http://stackoverflow.com/a/3016912/3295047
2014年9月4日 星期四
BOOL vs. Boolean vs. bool
Boolean is an old Carbon keyword (historic Mac type), defined as an unsigned char.
BOOL is an Objective-C type defined as signed char.
bool is a defined version of the _Bool standard C type.
You should use BOOL for common use and Boolean in CF.
BOOL is an Objective-C type defined as signed char.
bool is a defined version of the _Bool standard C type.
You should use BOOL for common use and Boolean in CF.
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