81 read_vtoc(int fd, struct vtoc *vtoc)  in read_vtoc()  argument
88 	if (ioctl(fd, DKIOCGVTOC, (caddr_t)vtoc) == -1) {  in read_vtoc()
107 	if (vtoc->v_sanity != VTOC_SANE) {  in read_vtoc()
114 	switch (vtoc->v_version) {  in read_vtoc()
123 		vtoc->v_version = V_VERSION;  in read_vtoc()
124 		if (vtoc->v_nparts == 0)  in read_vtoc()
125 			vtoc->v_nparts = V_NUMPAR;  in read_vtoc()
126 		if (vtoc->v_sectorsz == 0)  in read_vtoc()
127 			vtoc->v_sectorsz = DEV_BSIZE;  in read_vtoc()
161 write_vtoc(int fd, struct vtoc *vtoc)  in write_vtoc()  argument
167 	if (vtoc->v_sanity != VTOC_SANE || vtoc->v_nparts > V_NUMPAR) {  in write_vtoc()
177 	for (i = 0; i < (int)vtoc->v_nparts; i++)  in write_vtoc()
178 		if (vtoc->v_part[i].p_size > 0)  in write_vtoc()
180 	if (i == (int)vtoc->v_nparts)  in write_vtoc()
186 	if (ioctl(fd, DKIOCSVTOC, (caddr_t)vtoc) == -1) {  in write_vtoc()
208 	struct vtoc	oldvtoc;  in read_extvtoc()
209 	struct vtoc *oldvtocp = &oldvtoc;  in read_extvtoc()
304 	struct vtoc	oldvtoc;  in write_extvtoc()
305 	struct vtoc	*oldvtocp = &oldvtoc;  in write_extvtoc()
345 			bcopy(extvtoc, oldvtocp, sizeof (struct vtoc));  in write_extvtoc()
347 			bzero(oldvtocp, sizeof (struct vtoc));  in write_extvtoc()