IntSelectX<SELECTION, F1, F2, ...>
Returns SELECTION of N If SELECTION is 0, the first function is returned, if SELECTION is 1, the second and so forth. F1, F2...: FUNCITON return value: INTEGER
IntSelect
https://github.com/profezzorn/ProffieOS/blob/6f8add544c627172ad2dd698c90e5e55078a420a/functions/int_select.h#L40