Defined in header <math.h>

Defined in header <threads.h>

Defined in header <stdatomic.h>

The typedef declaration provides a way to declare an identifier as a type alias, to be used to replace a possibly complex type name. The

Defined in header <stdlib.h>

A declaraton of an object may provide its initial value through the

Usage inline function

Defined in header <math.h>

Defined in header <wchar.h>

Defined in header <stdio.h>