MPIX_Exscan_init 40 ompi/mpiext/pcollreq/c/exscan_init.c #define MPIX_Exscan_init PMPIX_Exscan_init MPIX_Exscan_init 46 ompi/mpiext/pcollreq/c/exscan_init.c int MPIX_Exscan_init(const void *sendbuf, void *recvbuf, int count,