7.2.1 Control Routines

SWDOPN Opens a device.
SWDCLS Closes a device.
SWPOPN Opens a page.
SWPCLS Closes a page.
SWOOPN(COBJ,COM) Opens an object.
SWOCLS(COBJ) Closes an object.
SW p GET(CP,IPARA) Inquires an internal variable.
SW p SET(CP,IPARA) Changes an internal variable.
SW p STX(CP,IPARA) Changes an internal variable (permits change by a runtime option).
SWCGET(CP,CPARA) Inquires a character-type internal variable.
SWCSET(CP,CPARA) Changes a character-type internal variable.
SWCSTX(CP,CPARA) Changes a character-type internal variable (permits change by a runtime option).