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The JAMS_HISTORY_GET routine is used to set a history context to reference the first, or next, history record which matches the selection criteria.

Format

JAMS_HISTORY_GET context

RETURNS

VMS usage:	cond_value
type:	longword (unsigned)
access:	write only
mechanism:	by value

ARGUMENTS

context

VMS usage:	context
type:	pointer
access:	read only
mechanism:	by value

This argument is the history context which was returned from a call to JAMS_HISTORY_INIT.

Description

This routine is used to set a history context to reference the first, or next, history record which matches the selection criteria. This history context must be initialized by calling JAMS_HISTORY_INIT. The history context can then be passed to JAMS_GET_DATA to obtain information from the context.

Return Values

JAMS_ENDCTX

End of context stream.

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