Staff Object Functions for Mocha

spell obj.staff_spell;
void set_staff_spell (object obj, spell spell_val);: Determine or set the spell cast through the use of a staff. To make a staff which casts no spell, set the spell to the value {0, ""}.
integer obj.staff_charges;
void set_staff_charges (object obj, integer charges);: Determine or set the number of charges remaining in the staff. A staff may have from 1 to 10 charges. When the number of charges in a staff reaches 0, the staff disintegrates.