Defined in header <threads.h>

Defined in header <string.h>

Defined in header <stdio.h>

Defined in header <string.h>

Defined in header <stdlib.h>

Defined in header <stdarg.h>

Defined in header <complex.h>

An enumerated type is a distinct type whose value is restricted to one of

Defined in header <time.h>

An object whose identifier is declared without the storage-class specifier _Thread_local, and either with external or internal linkage or with the storage-class