QMBasic includes a set of standard subroutines that may be called from user programs. These all have an exclamation mark prefix to the subroutine name.
!ABSPATH() | Form an absolute pathname from a directory and file path |
!ERRTEXT() | Return text description of an error number |
!PATHTKN() | Process special tokens in a VOC or ACCOUNTS file pathname |
!PCL() | PCL control code functions |
!PICK() | Display a pick list of options |
!USERNO() | Return a list of user numbers for a given user name |
!VOCREC() | Read a VOC record, following remote pointers |
|