al_set_new_window_position - Man Page

#include <allegro5/allegro.h>

void al_set_new_window_position(int x, int y)

Sets where the top left pixel of the client area of newly created windows (non-fullscreen) will be on screen, for displays created by the calling thread. Negative values are allowed on some multihead systems.

To reset to the default behaviour, pass (INT_MAX, INT_MAX).

al_get_new_window_position(3)

al_get_new_window_position(3).