mpiSequenceCommandPrevious

Declaration

	MPICommand mpiSequenceCommandPrevious(MPISequence sequence, MPICommand command)
	Required Header: stdmpi.h

Description

mpiSequenceCommandPrevious returns the previous element prior to "command" on the list. This function can be used in conjuntion with mpiSequenceCommandLast(...) in order to iterate through the list backwards.

NOTE: The maximum number of sequence commands that can exist on a controller, from all sequence objects, at one time is defined by MEIXmpCmdBuffSize in xmp.h.

sequence	a handle to the Sequence object.
command	a handle to a Command object.

Return Values
handle	to the Command preceding the Command (*command) in a Sequence (sequence*)
MPIHandleVOID	if sequence is invalid if command is the first command in a Sequence (*sequence*)
MPIMessageHANDLE_INVALID