alert (3) Linux Manual Page
alert – Displays a popup alert box. Allegro game programming library.
Synopsis
#include <allegro.h> int alert(const char *s1, *s2, *s3, const char *b1, *b2, int c1, c2);
Description
Displays a popup alert box, containing three lines of text (s1-s3), and with either one or two buttons. The text for these buttons is passed in `b1′ and `b2′ (`b2′ may be NULL), and the keyboard shortcuts in `c1′ and `c2′ as ASCII value. Example:
if (!exists(CONFIG_FILE))
alert(CONFIG_FILE, "not found.", "Using defaults.",
"&Continue", NULL, ‘c’, 0);
