AT&T UNIX™PC Unix System V Users Manual - tenox
AT&T UNIX™PC Unix System V Users Manual - tenox AT&T UNIX™PC Unix System V Users Manual - tenox
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UMOUNT (2) UMOUNT (2) NAME umount - unmount a file system SYNOPSIS int umount (spec) char •spec; DESCRIPTION Umount requests that a previously mounted file system contained on the block special device identified by spec be unmounted. Spec is a pointer to a path name. After unmounting the file system, the directocy upon which the file system was mounted reverts to its ordinacy interpretation. Umount may be invoked only by the super-user. Umount will fail if one or more of the following are true: The process's effective user ID is not super-user. [EPERM] Spec does not exist. [ENXIO] Spec is not a block special device. [ENOTBLK] Spec is not mounted. [EINV AL] A file on spec is busy. [EBUSY] Spec points outside the process's allocated address space. [EFAULT] RETURN VALUE Upon successful completion a value of 0 is returned. Otherwise, a value of -1 is returned and errno is set to indicate the error. SEE ALSO mount(2). - 1 -
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- Page 725 and 726: PLOCK(2) PLOCK(2) NAME plock - lock
- Page 727: PROFIL ( 2 ) PROFIL ( 2 ) NAME prof
- Page 730 and 731: PTRACE (2) PTRACE (2) 4, 5 With the
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- Page 735 and 736: SEMCTL ( 2 ) SEMCTL ( 2 ) NAME semc
- Page 737 and 738: SEMGET (2) SEMGET (2) NAME semget -
- Page 739 and 740: SEMOP ( 2) SEMOP {2) NAME semop - s
- Page 741 and 742: SEMOP (2) SEMOP (2) Operation permi
- Page 743: SETPGRP (2) SETPGRP (2) NAME setpgr
- Page 747 and 748: SHMCTL (2) SHMCTL (2) NAME shmctl -
- Page 749 and 750: � ! SHMGET (2) SHMGET (2) NAME sh
- Page 751 and 752: SHMOP ( 2 ) SHMOP ( 2 ) NAME shmop
- Page 753 and 754: SIGNAL (2) SIGNAL (2) NAME signal -
- Page 755 and 756: SIGNAL (2) SIGNAL (2) Sig is an ill
- Page 757 and 758: STAT ( 2 ) STAT ( 2 ) NAME stat, fs
- Page 759 and 760: STIME(2) STIME(2) NAME stime - set
- Page 761 and 762: SYNC ( 2) SYNC (2) NAME sync - upda
- Page 763 and 764: SYSLOCAL ( 2) SYSLOCAL ( 2) NAME Sy
- Page 765: TIME ( 2) TIME(2) NAME time - get t
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- Page 771: UMASK( 2 ) UMASK ( 2 ) NAME umask -
- Page 775: UNAME ( 2 ) UNAME (2) NAME uname -
- Page 779: USTAT (2) USTAT (2) NAME ustat - ge
- Page 783 and 784: WAIT ( 2 ) WAIT ( 2 ) NAME wait - w
- Page 785 and 786: WRITE(2) WRITE (2) NAME write - wri
- Page 787 and 788: INTR0 ( 3 ) INTR0 ( 3 ) NAME intro
- Page 789: A64L ( 3C ) A64L ( 3C ) NAME a641,
- Page 793: ABS (3C) ABS (3C) NAME abs - return
- Page 797: ATOF ( 3C ) ATOF ( 3C ) NAME atof -
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- Page 803: CLOCK( 3C ) CLOCK( 3C ) NAME clock
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- Page 809: CTERMID ( 3S ) CTERMID ( 3S ) NAME
- Page 812 and 813: CTIME (3C) CTIME(3C) The external l
- Page 815 and 816: CURSES ( 3 ) CURSES ( 3 ) NAME curs
- Page 817 and 818: CUSERID ( 3S ) CUSERID ( 3S ) NAME
- Page 819 and 820: DIAL (3C) DIAL(3C) NAME dial - esta
- Page 821 and 822: DRAND48 ( 3C ) DRAND48 ( 3C ) NAME
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