Logical operators apply standard boolean algebra operations to their operands. Operator

Appears in the declaration syntax as one of the type specifiers to

Each expression in C (an operator with its arguments, a function call

Each identifier that appears in a C program is only visible (that

Syntax _Atomic ( type-name )

A struct is a type consisting of a sequence of members whose storage is allocated in an ordered sequence (as opposed to union, which is a type consisting of a sequence of members

The preprocessor supports conditional compilation of parts of a source file. This behavior is controlled by #if, #else, #elif, #ifdef