text_height - Returns the height of a font in pixels. Allegro game
programming library.
#include <allegro.h>
int text_height(const FONT *f)
Returns the height (in pixels) of the specified font. Example:
int height = text_height(font);
...
bmp = create_bitmap(width, height);
text_length(3alleg), ex12bit(3alleg), exmidi(3alleg), expackf(3alleg),
expat(3alleg), exsprite(3alleg), exsyscur(3alleg), exunicod(3alleg)