BOOL and bool

 

1. Different Types

BOOL is an int type and is a Microsoft custom type: typedef int BOOL;

Bool is a boolean type and is a C ++ standard data type.

2. Different Lengths

The BOOL length depends on the actual environment. Generally, it is 4 bytes, because it is of the int type;

Bool is 1 byte in length.

3. Different values

BOOL values are FALSE and TRUE, which are the difference between 0 and non-0;

Bool values are false and true, which are the difference between 0 and 1.

1. // example

2. BOOL a = 1; // correct

3. BOOL a = 3; // correct

4. bool a = 1 // correct

5. bool a = 3 // warning

 

 

This article is from the "liangbing" blog