Declares an inline function.

Defined in header <stdatomic.h>

Defined in header <string.h>

A null-terminated multibyte string (NTMBS), or "multibyte string", is a sequence of nonzero bytes followed by a byte with value zero (the terminating null character).

Defined in header <math.h>

Defined in header <math.h>

A declaration is a C language construct that introduces one or more identifiers

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

Defined in header <stdio.h>

Defined in header <time.h>