getCS -- Member in given command position in given unit.
($cs, $id, $type = 'Squadron')
This function will return the member id in the specified command position in the specified unit.
$cs is the command position in question. It can have values "CO" or "co", "XO" or "xo", "SO" or "so".
$id is the unit id to check. It is of type integer.
$type is the type of unit that $id specifies. It defaults to "Squadron" but can also be "Fleet" or "Wing".
This function returns a member pin if a member exists in the position. It returns 0 if the position is empty. It returns the string "Invalid function call." on failure.
getCS ("co", 1, "Wing") /* Returns the member id in the CO position of the wing with id 1. */
getCS ("XO", 1) /* Returns the member id in the XO position of the squadron with id 1. */
getCS ("foo", 1) /* Returns the string "Invalid function call." */
getCO, getXO, getSO