diff options
| author | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
|---|---|---|
| committer | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
| commit | b732a73bc773789894466b0e5320b2f1fe42c7e9 (patch) | |
| tree | 385358983f064a1f10a5080b33a3ba13010886db /fd_move.3 | |
| parent | 634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff) | |
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
Diffstat (limited to 'fd_move.3')
| -rw-r--r-- | fd_move.3 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/fd_move.3 b/fd_move.3 new file mode 100644 index 0000000..94aa1b7 --- /dev/null +++ b/fd_move.3 @@ -0,0 +1,41 @@ +.TH fd_move 3 +.SH NAME +fd_move \- renumber a descriptor +.SH SYNTAX +.B #include <fd.h> + +int \fBfd_move\fP(\fIto\fR,\fIfrom\fR); + +int \fIto\fR; +.br +int \fIfrom\fR; +.SH DESCRIPTION +.B fd_move +moves +descriptor +.I from +to descriptor +.IR to . +If +.I to +was already open, +.B fd_move +closes it. +If the move is successful, +.B fd_move +closes +.IR from . +Exception: +if +.I to +and +.I from +are the same number, +.B fd_move +does nothing. + +.B fd_move +returns 0 on success, -1 on error. +.SH "SEE ALSO" +dup(2), +fd_copy(3) |