freebsd-skq/lib/libc/stdio/fputs.3

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.\" Copyright (c) 1990, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek and the American National Standards Committee X3,
.\" on Information Processing Systems.
.\"
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.\" @(#)fputs.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd June 4, 1993
.Dt FPUTS 3
.Os
.Sh NAME
.Nm fputs ,
.Nm puts
.Nd output a line to a stream
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.Fd #include <stdio.h>
.Ft int
.Fn fputs "const char *str" "FILE *stream"
.Ft int
.Fn puts "const char *str"
.Sh DESCRIPTION
The function
.Fn fputs
writes the string pointed to by
.Fa str
to the stream pointed to by
.Fa stream .
.\" The terminating
.\" .Dv NUL
.\" character is not written.
.Pp
The function
.Fn puts
writes the string
.Fa str ,
and a terminating newline character,
to the stream
.Em stdout .
.Sh RETURN VALUES
The
.Fn fputs
function
returns 0 on success and
.Dv EOF
on error;
.Fn puts
returns a nonnegative integer on success and
.Dv EOF
on error.
.Sh ERRORS
.Bl -tag -width Er
.It Bq Er EBADF
The
.Fa stream
supplied
is not a writable stream.
.El
.Pp
The functions
.Fn fputs
and
.Fn puts
may also fail and set
.Va errno
for any of the errors specified for the routines
.Xr write 2 .
.Sh SEE ALSO
.Xr ferror 3 ,
.Xr putc 3 ,
.Xr stdio 3
.Sh STANDARDS
The functions
.Fn fputs
and
.Fn puts
conform to
.St -ansiC .