1.\" $OpenBSD: fputs.3,v 1.5 2000/12/24 00:30:58 aaron 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. All advertising materials mentioning features or use of this software 19.\" must display the following acknowledgement: 20.\" This product includes software developed by the University of 21.\" California, Berkeley and its contributors. 22.\" 4. Neither the name of the University nor the names of its contributors 23.\" may be used to endorse or promote products derived from this software 24.\" without specific prior written permission. 25.\" 26.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36.\" SUCH DAMAGE. 37.\" 38.Dd June 4, 1993 39.Dt FPUTS 3 40.Os 41.Sh NAME 42.Nm fputs , 43.Nm puts 44.Nd output a line to a stream 45.Sh SYNOPSIS 46.Fd #include <stdio.h> 47.Ft int 48.Fn fputs "const char *str" "FILE *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.\" .Tn 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 71.Fn fputs 72function returns 0 on success and 73.Dv EOF 74on error; 75.Fn puts 76returns a nonnegative integer on success and 77.Dv EOF 78on error. 79.Sh ERRORS 80.Bl -tag -width Er 81.It Bq Er EBADF 82The 83.Fa stream 84supplied 85is not a writable stream. 86.El 87.Pp 88The functions 89.Fn fputs 90and 91.Fn puts 92may also fail and set 93.Va errno 94for any of the errors specified for the routines 95.Xr write 2 . 96.Sh SEE ALSO 97.Xr ferror 3 , 98.Xr putc 3 , 99.Xr stdio 3 100.Sh STANDARDS 101The functions 102.Fn fputs 103and 104.Fn puts 105conform to 106.St -ansiC . 107