Defined in header <stdlib.h>

Defined in header <math.h>

Defined in header <stdatomic.h>

Defined in header <threads.h>

Usage switch statement:

The preprocessor supports text macro replacement and function-like text macro replacement. Syntax

A collection of operators that do not fit into any of the other major categories.

Defined in header <time.h>

Defined in header <stdarg.h>

Defined in header <wchar.h>