AGI_ILAB - Inquire label of a picture

Description:

Inquire the label of a picture referenced by the identifier. If the picture identifier is negative then the current picture is searched. If no label is associated with this picture then a blank string is returned.

Invocation:

CALL AGI_ILAB ( PICID, LABEL, STATUS )

Arguments:

PICID = INTEGER (Given)

Picture identifier

LABEL = CHARACTER $*$ (AGI__SZLAB) (Returned)

Label string

STATUS = INTEGER (Given and Returned)

The global status