VMS usage:			address
	Data type:			specified by descriptor
	Access method:		read only
	Mechanism:			by descriptor
	

Example:

	DESC_CHAR (k0[0],"data");mode = (short)GTMI_GLOBAL;DESC_MODE (k0[1],mode);DESC_CHAR (k0[2],"CAT");DESC_CHAR (k0[3],"1");DESC_ZERO (k0[4]);
	status = gtm_put (k0);
	

This example corresponds to the M statement:

	SET CAT(1)="data"