Sizeof (" w ") why would be 4
Only is equivalent to the sizeof (char), should be 1

CodePudding user response:

'w' is type int, improved type implicit, you can see the getchar () function prototype the return value of a type is type int,

CodePudding user response:

 
STD: : cout & lt; STD: : cout & lt;  
Results: 
 
 CodePudding user response: 
 
 reference 1/f, confident boy reply: 
 
 'w' is type int, improved type implicit, you can see the getchar () function prototype the return value of a type is type int, 
 
 
So now the 'w' is quite so ASCII
 CodePudding user response: 
Your quote need to lose weight, or misleading too big, 

When 'w' is equivalent to the ASCII, guo jing and his mother had been called li ping, mh, 

C instead of C + +, history has always said character constants (notice I didn't say type) is of type int, there are a lot of reasons but here space is narrow, written not bottom, 
Let us remember that,