Detailed introduction of C language keywords, details of keywords

Detailed introduction of C language keywords, details of keywords
There are 32 keywords in C language, as described below:

Auto: Declares automatic variables.

Short: declare short integer variables or functions

Int: Declares integer variables or functions.

Long: declares a long integer variable or function.

Float: Declares floating point variables or functions.

Double: Declares double-precision variables or functions.

Char: declare struct variables or functions

Struct: Declares struct variables or functions.

Union: Declares the shared data type.

Enum: Declares the enumeration type.

Typedef: Used to get an alias for the Data Type

Const: declare Read-Only variables

Unsigned: Declares unsigned type variables or functions.

Signed: Declares signed variables or functions.

Extern: declared variables are declared in other files

Register: Declares register variables.

Static: declare static variables

Volatile: indicates that variables can be implicitly changed during program execution.

Void: declares that a function has no return value or no parameter and has no type pointer.

If: Condition Statement

Else: The Condition Statement denies the branch (used with if)

Switch: used for switch statement case: switch statement Branch

For: a loop statement.

Do: the body of the loop statement.

While: the loop condition of the loop statement

Goto: unconditional jump statement

Continue: ends the current cycle and starts the next cycle.

Break: jump out of the current loop

Default: "other" branch in the switch statement

Sizeof: calculates the length of the data type.

Return: the loop condition of the subprogram return Statement (which can contain parameters or parameters ).