1.\" $NetBSD: fputs.3,v 1.14 2017/07/30 23:13:24 wiz 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.\" @(#)fputs.3 8.1 (Berkeley) 6/4/93 35.\" 36.Dd July 30, 2017 37.Dt FPUTS 3 38.Os 39.Sh NAME 40.Nm fputs , 41.Nm puts 42.Nd output a line to a stream 43.Sh LIBRARY 44.Lb libc 45.Sh SYNOPSIS 46.In stdio.h 47.Ft int 48.Fn fputs "const char * restrict str" "FILE * restrict stream" 49.Ft int 50.Fn puts "const char *str" 51.Sh DESCRIPTION 52The function 53.Fn fputs 54writes the string pointed to by 55.Fa str 56to the stream pointed to by 57.Fa stream . 58.\" The terminating 59.\" .Dv NUL 60.\" character is not written. 61.Pp 62The function 63.Fn puts 64writes the string 65.Fa str , 66and a terminating newline character, 67to the stream 68.Em stdout . 69.Sh RETURN VALUES 70The functions 71.Fn fputs 72and 73.Fn puts 74return a nonnegative integer on success and 75.Dv EOF 76on error. 77.Sh ERRORS 78.Bl -tag -width Er 79.It Bq Er EBADF 80The 81.Fa stream 82supplied 83is not a writable stream. 84.El 85.Pp 86The functions 87.Fn fputs 88and 89.Fn puts 90may also fail and set 91.Va errno 92for any of the errors specified for the routine 93.Xr write 2 . 94.Sh SEE ALSO 95.Xr write 2 , 96.Xr ferror 3 , 97.Xr putc 3 , 98.Xr stdio 3 99.Sh STANDARDS 100The functions 101.Fn fputs 102and 103.Fn puts 104conform to 105.St -ansiC . 106