NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | BUGS
cc [ flag ... ] file ... -ladm [ library ... ] #include <sys/vtoc.h>int read_vtoc(int fd, struct vtoc *vtoc);
The read_vtoc() function returns the VTOC (volume table of contents) structure that is stored on the disk associated with the open file descriptor fd.
The write_vtoc() function stores the VTOC structure on the disk associated with the open file descriptor fd.
The fd argument refers to any slice on a raw disk.
Upon successful completion, read_vtoc() returns a positive number indicating the slice index associated with the open file descriptor. Otherwise, it returns a negative number indicating one of the following errors:
An I/O error occurred.
An unknown error occurred.
Upon successful completion, write_vtoc() returns 0. Otherwise, it returns a negative number indicating one of the following errors:
An I/O error occurred.
An unknown error occurred.
The VTOC contains an incorrect field.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
MT-Level | Unsafe |
The write_vtoc() function cannot write a VTOC on an unlabeled disk. Use format(1M) for this purpose.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | BUGS