MPIX_Alltoallw_init 41 ompi/mpiext/pcollreq/c/alltoallw_init.c #define MPIX_Alltoallw_init PMPIX_Alltoallw_init MPIX_Alltoallw_init 47 ompi/mpiext/pcollreq/c/alltoallw_init.c int MPIX_Alltoallw_init(const void *sendbuf, const int sendcounts[], const int sdispls[],