int last_recv_count = 0, tmp_mask, tree_root, num_procs_completed;
int tag = COLL_TAG_ALLTOALL, mask = 1, i = 0;
- char *tmp_buff;
char *send_ptr = (char *) send_buff;
char *recv_ptr = (char *) recv_buff;
max_size = num_procs * recv_increment;
- tmp_buff = (char *) smpi_get_tmp_sendbuffer(max_size);
+ unsigned char* tmp_buff = smpi_get_tmp_sendbuffer(max_size);
curr_size = send_count * num_procs;