Guardian Procedure Calls Reference Manual

tag
input
INT(32):value
supplies the value of tag returned by AWAITIO[X], which is the application-defined tag that
was stored by the system when the I/O operation was initiated.
Returned Value
INT
-1 if filenum designates a file being managed by IOEdit; 0 otherwise.
Related Programming Manual
For programming information about the COMPLETEIOEDIT procedure, see the Guardian
Programmer's Guide.
178 Guardian Procedure Calls (C)