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--- Libc/Libc-262/stdio/fputs.3
+++ Libc/Libc-583/stdio/fputs.3
@@ -34,7 +34,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)fputs.3 8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/stdio/fputs.3,v 1.8 2001/10/01 16:08:59 ru Exp $
+.\" $FreeBSD: src/lib/libc/stdio/fputs.3,v 1.11 2002/12/19 09:40:24 ru Exp $
.\"
.Dd June 4, 1993
.Dt FPUTS 3
@@ -48,14 +48,19 @@
.Sh SYNOPSIS
.In stdio.h
.Ft int
-.Fn fputs "const char *str" "FILE *stream"
+.Fo fputs
+.Fa "const char *restrict s"
+.Fa "FILE *restrict stream"
+.Fc
.Ft int
-.Fn puts "const char *str"
+.Fo puts
+.Fa "const char *s"
+.Fc
.Sh DESCRIPTION
The function
.Fn fputs
writes the string pointed to by
-.Fa str
+.Fa s
to the stream pointed to by
.Fa stream .
.\" The terminating
@@ -65,10 +70,10 @@
The function
.Fn puts
writes the string
-.Fa str ,
+.Fa s ,
and a terminating newline character,
to the stream
-.Em stdout .
+.Dv stdout .
.Sh RETURN VALUES
The
.Fn fputs
@@ -85,7 +90,7 @@
.It Bq Er EBADF
The
.Fa stream
-supplied
+argument
is not a writable stream.
.El
.Pp
@@ -97,8 +102,17 @@
.Va errno
for any of the errors specified for the routines
.Xr write 2 .
+.Sh COMPATIBILITY
+.Fn fputs
+now returns a non-negative number (as opposed to 0)
+on successful completion.
+As a result, many tests (e.g., "fputs() == 0", "fputs() != 0")
+do not give the desired result.
+Use "fputs() != EOF" or "fputs() == EOF"
+to determine success or failure.
.Sh SEE ALSO
.Xr ferror 3 ,
+.Xr fputws 3 ,
.Xr putc 3 ,
.Xr stdio 3
.Sh STANDARDS
@@ -108,3 +122,13 @@
.Fn puts
conform to
.St -isoC .
+While not mentioned in the standard, both
+.Fn fputs
+and
+.Fn puts
+print
+.Ql (null)
+if
+.Fa str
+is
+.Dv NULL .