1.\" Copyright (c) 1990, 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.\" Chris Torek and the American National Standards Committee X3, 6.\" on Information Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 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.\" @(#)fputs.3 8.1 (Berkeley) 6/4/93 33.\" $FreeBSD: src/lib/libc/stdio/fputs.3,v 1.14 2007/04/19 14:01:04 phk Exp $ 34.\" 35.Dd February 22, 2018 36.Dt FPUTS 3 37.Os 38.Sh NAME 39.Nm fputs , 40.Nm puts 41.Nd output a line to a stream 42.Sh LIBRARY 43.Lb libc 44.Sh SYNOPSIS 45.In stdio.h 46.Ft int 47.Fn fputs "const char * restrict str" "FILE * restrict stream" 48.Ft int 49.Fn puts "const char *str" 50.Sh DESCRIPTION 51The function 52.Fn fputs 53writes the string pointed to by 54.Fa str 55to the stream pointed to by 56.Fa stream . 57.\" The terminating 58.\" .Dv NUL 59.\" character is not written. 60.Pp 61The function 62.Fn puts 63writes the string 64.Fa str , 65and a terminating newline character, 66to the stream 67.Dv stdout . 68.Sh RETURN VALUES 69The functions 70.Fn fputs 71and 72.Fn puts 73return a nonnegative integer on success and 74.Dv EOF 75on error. 76.Sh ERRORS 77.Bl -tag -width Er 78.It Bq Er EBADF 79The 80.Fa stream 81argument 82is not a writable stream. 83.El 84.Pp 85The functions 86.Fn fputs 87and 88.Fn puts 89may also fail and set 90.Va errno 91for any of the errors specified for the routines 92.Xr write 2 . 93.Sh SEE ALSO 94.Xr ferror 3 , 95.Xr fputws 3 , 96.Xr putc 3 , 97.Xr stdio 3 98.Sh STANDARDS 99The functions 100.Fn fputs 101and 102.Fn puts 103conform to 104.St -isoC . 105