Defined in header <threads.h>

Defined in header <math.h>

Pointer is a type of an object that refers to a function or an object of another type, possibly adding qualifiers. Pointer may also refer to nothing, which is indicated by

Defined in header <string.h>

Defined in header <stdlib.h>

Defined in header <stdio.h>

If the declarator or type specifier that declares the identifier appears outside of any block or list of parameters, the identifier has file scope, which terminates at the

Defined in header <threads.h>

Defined in header <time.h>

Defined in header <<fenv.h>>