1.\" $OpenBSD: fputs.3,v 1.8 2007/05/31 19:19:31 jmc Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Chris Torek and the American National Standards Committee X3, 8.\" on Information Processing Systems. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.Dd $Mdocdate: May 31 2007 $ 35.Dt FPUTS 3 36.Os 37.Sh NAME 38.Nm fputs , 39.Nm puts 40.Nd output a line to a stream 41.Sh SYNOPSIS 42.Fd #include <stdio.h> 43.Ft int 44.Fn fputs "const char *str" "FILE *stream" 45.Ft int 46.Fn puts "const char *str" 47.Sh DESCRIPTION 48The function 49.Fn fputs 50writes the string pointed to by 51.Fa str 52to the stream pointed to by 53.Fa stream . 54.\" The terminating 55.\" .Tn NUL 56.\" character is not written. 57.Pp 58The function 59.Fn puts 60writes the string 61.Fa str , 62and a terminating newline character, 63to the stream 64.Em stdout . 65.Sh RETURN VALUES 66The 67.Fn fputs 68function returns 0 on success and 69.Dv EOF 70on error; 71.Fn puts 72returns a non-negative integer on success and 73.Dv EOF 74on error. 75.Sh ERRORS 76.Bl -tag -width Er 77.It Bq Er EBADF 78The 79.Fa stream 80supplied 81is not a writable stream. 82.El 83.Pp 84The functions 85.Fn fputs 86and 87.Fn puts 88may also fail and set 89.Va errno 90for any of the errors specified for the routines 91.Xr write 2 . 92.Sh SEE ALSO 93.Xr ferror 3 , 94.Xr putc 3 , 95.Xr stdio 3 96.Sh STANDARDS 97The functions 98.Fn fputs 99and 100.Fn puts 101conform to 102.St -ansiC . 103