normalize_vector, normalize_vector_f - Converts the vector to a unit vector. Allegro game programming

       Converts the vector (*x, *y, *z) to a unit vector. This points in the  same  direction  as  the  original
       vector, but has a length of one.

       normalize_vector,  normalize_vector_f  -  Converts  the vector to a unit vector. Allegro game programming
       library.

vector_length(3alleg4), dot_product(3alleg4), cross_product(3alleg4), exstars(3alleg4)

Allegro                                           version 4.4.3                        normalize_vector(3alleg4)

#include<allegro.h>voidnormalize_vector(fixed*x,fixed*y,fixed*z);voidnormalize_vector_f(float*x,float*y,float*z);