Defined in header <threads.h>

Defined in header <math.h>

Defined in header <wchar.h>

When initializing an object of

Usage long

Defined in header <<fenv.h>>

A null-terminated wide string is a sequence of valid wide characters, ending with a null-character. Functions

Defined in header <time.h>

Defined in header <stdatomic.h>

Defined in header <time.h>