For example, "72 ` chat c=` \;" How many characters, the variable c contains

CodePudding user response:

The escape character ", "section to learn thoroughly.

CodePudding user response:

Sizeof function

CodePudding user response:

 char c='\ 72'; 

Said hexadecimal number 8, '72 \'==58, it indicates that the ACSII of colon,