Any tokens in the supplied message are expanded and the result is returned in the character variable supplied. If the status argument is not set to SAI__OK on entry, no action is taken except that the values of any existing message tokens are always left undefined after a call to EMS_EXPND. If the expanded message is longer than the length of the supplied character variable, the message is terminated with an ellipsis.

CALL EMS_EXPND( MSG, OPSTR, OPLEN, STATUS )

MSG = CHARACTER $\ast$ ( $\ast$ ) (Given)

OPSTR = CHARACTER $\ast$ ( $\ast$ ) (Returned)

OPLEN = INTEGER (Returned)

STATUS = INTEGER (Given)