set_mouse_speed - Man Page

#include <allegro.h>

void set_mouse_speed(int xspeed, int yspeed);

Sets the mouse speed. Larger values of xspeed and yspeed represent slower  mouse movement: the default for both is 2.

install_mouse(3), set_mouse_range(3), position_mouse(3)

install_mouse(3), position_mouse(3), set_mouse_range(3).