d_text_list_proc - Man Page

#include <allegro.h>

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

Like d_list_proc, but allows the user to type in the first few characters  of a listbox entry in order to select it. Uses dp3 internally, so you  mustn't store anything important there yourself.

exgui(3)

exgui(3).