V8/usr/man/man2/chown.2

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.TH CHOWN 2 
.SH NAME
chown, fchown \- change owner and group of a file
.SH SYNOPSIS
.nf
.B chown(name, owner, group)
.B char *name;
.PP
.B fchown(fd, owner, group)
.fi
.SH DESCRIPTION
.I Chown
changes the
.I owner
and 
.I group
of the file specified by the null-terminated string
.IR name .
.I Fchown
changes the owner and group of an open file
specified by file descriptor.
Only the super-user may
execute these calls.
.SH "SEE ALSO"
chown(1), chmod(2), passwd(5)
.SH DIAGNOSTICS
Zero is returned if the owner is changed;
\-1 is returned
on illegal owner changes.