Usage declaration of a union

Defined in header <complex.h>

Implementation defined behavior is controlled by #pragma directive. Syntax

A null-terminated multibyte string (NTMBS), or "multibyte string", is a sequence of nonzero bytes followed by a byte with value zero (the terminating null character).

Defined in header <math.h>

Defines the semantics of computer memory storage for the purpose of the C abstract machine. The data storage (memory) available to a C program

Defined in header <wctype.h>

Defined in header <wchar.h>

This is a reference of the core C language constructs.

Usage _Noreturn