fixceil - Returns the smallest integer not less than x. Allegro game
programming library.
#include <allegro.h>
int fixceil(fixed x);
Returns the smallest integer not less than x. That is, it rounds
towards positive infinity. Example:
int result;
/* This will put 34 into `result'. */
result = fixceil(itofix(100) / 3);
/* This will round up to 17. */
result = fixceil(itofix(100) / 6);
fixtoi(3alleg), fixfloor(3alleg)