mpiIdnListFirst

Declaration

MPIIdn mpiIdnListFirst(MPIIdnList idnList)

Required Header

stdmpi.h

Description

IdnListFirst return the first element in the list. This function can be used in conjuntion with mpiIdnListIdnNext() in order to iterate through the list.

	idnList	a handle to the IdnList object.

Return Values
handle	to the first Idn object of an IdnList (*idnList*)
MPIHandleVOID	if *idnList* is invalid if idnList is empty
MPIMessageHANDLE_INVALID	*idnList* is an invalid handle.

See Also	mpiIdnListLast