xref: /netbsd-src/lib/libc/stdio/fputs.3 (revision ce0bb6e8d2e560ecacbe865a848624f94498063b)
1.\"	$NetBSD: fputs.3,v 1.4 1995/02/02 01:15:40 jtc Exp $
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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.
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38.\"     @(#)fputs.3	8.1 (Berkeley) 6/4/93
39.\"
40.Dd June 4, 1993
41.Dt FPUTS 3
42.Os
43.Sh NAME
44.Nm fputs ,
45.Nm puts
46.Nd output a line to a stream
47.Sh SYNOPSIS
48.Fd #include <stdio.h>
49.Ft int
50.Fn fputs "const char *str" "FILE *stream"
51.Ft int
52.Fn puts "const char *str"
53.Sh DESCRIPTION
54The function
55.Fn fputs
56writes the string pointed to by
57.Fa str
58to the stream pointed to by
59.Fa stream .
60.\" The terminating
61.\" .Dv NUL
62.\" character is not written.
63.Pp
64The function
65.Fn puts
66writes the string
67.Fa str ,
68and a terminating newline character,
69to the stream
70.Em stdout .
71.Sh RETURN VALUES
72The
73.Fn fputs
74function
75returns 0 on success and
76.Dv EOF
77on error;
78.Fn puts
79returns a nonnegative integer on success and
80.Dv EOF
81on error.
82.Sh ERRORS
83.Bl -tag -width Er
84.It Bq Er EBADF
85The
86.Fa stream
87supplied
88is not a writable stream.
89.El
90.Pp
91The functions
92.Fn fputs
93and
94.Fn puts
95may also fail and set
96.Va errno
97for any of the errors specified for the routines
98.Xr write 2 .
99.Sh SEE ALSO
100.Xr putc 3 ,
101.Xr ferror 3 ,
102.Xr stdio 3
103.Sh STANDARDS
104The functions
105.Fn fputs
106and
107.Fn puts
108conform to
109.St -ansiC .
110