get_rotation_quat - Constructs a quaternion to rotate points around all three axes. Allegro game

       Constructs a quaternion that will rotate points around all three axes by the specified amounts (given  in
       binary, 256 degrees to a circle format).

       get_rotation_quat  -  Constructs  a  quaternion  to  rotate  points  around  all three axes. Allegro game
       programming library.

exquat(3alleg4)

Allegro                                           version 4.4.3                       get_rotation_quat(3alleg4)

#include<allegro.h>voidget_rotation_quat(QUAT*q,floatx,floaty,floatz);