| setbuf.3 (165903) | setbuf.3 (234772) |
|---|---|
| 1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)setbuf.3 8.1 (Berkeley) 6/4/93 | 1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)setbuf.3 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/stdio/setbuf.3 165903 2007-01-09 00:28:16Z imp $ | 33.\" $FreeBSD: head/lib/libc/stdio/setbuf.3 234772 2012-04-28 20:52:20Z jlh $ |
| 34.\" 35.Dd June 4, 1993 36.Dt SETBUF 3 37.Os 38.Sh NAME 39.Nm setbuf , 40.Nm setbuffer , 41.Nm setlinebuf , --- 36 unchanged lines hidden (view full) --- 78and an optimally-sized buffer is obtained. 79If a stream refers to a terminal 80(as 81.Dv stdout 82normally does) it is line buffered. 83The standard error stream 84.Dv stderr 85is always unbuffered. | 34.\" 35.Dd June 4, 1993 36.Dt SETBUF 3 37.Os 38.Sh NAME 39.Nm setbuf , 40.Nm setbuffer , 41.Nm setlinebuf , --- 36 unchanged lines hidden (view full) --- 78and an optimally-sized buffer is obtained. 79If a stream refers to a terminal 80(as 81.Dv stdout 82normally does) it is line buffered. 83The standard error stream 84.Dv stderr 85is always unbuffered. |
| 86Note that these defaults maybe be altered using the 87.Xr stdbuf 1 88utility. |
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| 86.Pp 87The 88.Fn setvbuf 89function 90may be used to alter the buffering behavior of a stream. 91The 92.Fa mode 93argument must be one of the following three macros: --- 78 unchanged lines hidden (view full) --- 172(note that the stream is still functional in this case). 173.Pp 174The 175.Fn setlinebuf 176function returns what the equivalent 177.Fn setvbuf 178would have returned. 179.Sh SEE ALSO | 89.Pp 90The 91.Fn setvbuf 92function 93may be used to alter the buffering behavior of a stream. 94The 95.Fa mode 96argument must be one of the following three macros: --- 78 unchanged lines hidden (view full) --- 175(note that the stream is still functional in this case). 176.Pp 177The 178.Fn setlinebuf 179function returns what the equivalent 180.Fn setvbuf 181would have returned. 182.Sh SEE ALSO |
| 183.Xr stdbuf 1 , |
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| 180.Xr fclose 3 , 181.Xr fopen 3 , 182.Xr fread 3 , 183.Xr malloc 3 , 184.Xr printf 3 , 185.Xr puts 3 186.Sh STANDARDS 187The --- 22 unchanged lines hidden --- | 184.Xr fclose 3 , 185.Xr fopen 3 , 186.Xr fread 3 , 187.Xr malloc 3 , 188.Xr printf 3 , 189.Xr puts 3 190.Sh STANDARDS 191The --- 22 unchanged lines hidden --- |