vtcl environment variables

CHARM

When set, this variable specifies to use the cm_vtcld character server. The presence of this variable overrides any setting of the DISPLAY variable.

DISPLAY

When set to a real display, specifies to use the Motif server.

VTCL_DEBUG

When set, turns on debugging output for the interpreter, server, and commands. Values greater than 10 capture send data, greater than 20 capture receive data.

VTCL_DISPLAY

Specifies the display to which the xm_vtcld server writes. For example:

   VTCL_DISPLAY=davew.rain.com:0.0

This value becomes the DISPLAY value for the server, and overrides the DISPLAY value set by the interpreter.

VTCL_HELPTRACE

Turns on the output of help widget sums. See ``Dumping the widget sums'' for more information.

VTCL_OPEN_TIMEOUT

Specifies the number of seconds to wait for a pipe connection to open before timing out.