install_param_int_ex - Man Page

#include <allegro.h>

int install_param_int_ex(void (*proc)(void *), void *param, int speed);

Like install_int_ex(), but the callback routine will be passed a copy of  the specified void pointer parameter. To disable the handler, use  remove_param_int() instead of remove_int().

install_timer(3), remove_param_int(3), install_param_int(3), install_int_ex(3)

install_int_ex(3), install_param_int(3), remove_param_int(3).