debian man page for identity_quat

identity_quat(3alleg4)						  Allegro manual					    identity_quat(3alleg4)

NAME
       identity_quat - Global variable containing the identity quaternion. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       extern QUAT identity_quat;

DESCRIPTION
       Global variable containing the 'do nothing' identity quaternion.  Multiplying by the identity quaternion has no effect.

Allegro 							   version 4.4.2					    identity_quat(3alleg4)