Each of the macros defined in <errno.h> expands to an integer constant expression with type int and with a unique positive value. The following

Defined in header <stdlib.h>

Defined in header <wchar.h>

Defined in header <inttypes.h>

The following table lists the precedence and associativity of C operators. Operators are listed top to bottom, in descending precedence.

Defined in header <stdio.h>

Defined in header <ctype.h>

Defined in header <wctype.h>

The header <tgmath.h> includes the headers <math.h> and <complex.h> and defines several type-generic macros that determine

Defined in header <math.h>