gpart_partition
if (gpart_partition(pp->lg_name, NULL) == 0) {
gpart_partition(newpartname, "BSD");
gpart_partition(cp->lg_geom->lg_name, NULL);
gpart_partition(cp->lg_geom->lg_name, NULL);
gpart_partition(pp->lg_name, NULL);
gpart_partition(pp->lg_name, "BSD");
gpart_partition(disk, scheme);
gpart_partition(disk, scheme);
int gpart_partition(const char *lg_name, const char *scheme);
gpart_partition(disk, scheme);