When an identifier is encountered in a C program, a lookup is performed

Causes the enclosing for,

Allows values of floating type to be used directly in expressions. Syntax A floating constant is a

Defined in header <stdio.h>

Defined in header <math.h>

Defined in header <time.h>

Defined in header <stdlib.h>

Defined in header <threads.h>

Defined in header <threads.h>

Defined in header <setjmp.h>