install_param_int (3) - Linux Manuals
install_param_int: Installs a timer routine with a customizable parameter. Allegro game programming library.
NAME
install_param_int - Installs a timer routine with a customizable parameter. Allegro game programming library.SYNOPSIS
#include <allegro.h>
int install_param_int(void (*proc)(void *), void *param, int speed);