DOKK / manpages / debian 10 / allegro4-doc / d_clear_proc.3alleg4.en
d_clear_proc(3alleg4) Allegro manual d_clear_proc(3alleg4)

d_clear_proc - Dialog procedure to clear the screen. Allegro game programming library.

#include <allegro.h>

int d_clear_proc(int msg, DIALOG *d, int c);

This just clears the screen when it is drawn. Useful as the first object in a dialog.

excustom(3alleg4), exgui(3alleg4)

version 4.4.2 Allegro