Defined in header <ctype.h>

Defined in header <threads.h>

Escape sequences are used to represent certain special characters within

The C programming language, as of C99, supports Boolean arithmetic with the built-in type _Bool (see

Defined in header <stdlib.h>

Defined in header <ctype.h>

Syntax ' c-char ' (1)

Shows the given error message and renders the program ill-formed. Syntax

Defined in header <wchar.h>

Defined in header <stdatomic.h>