Libc-1353.11.2.tar.gz

[apple/libc.git] / stdio / FreeBSD / putc.3

diff --git a/stdio/FreeBSD/putc.3 b/stdio/FreeBSD/putc.3
index 0e80b97f3f0e8e45b6e4eb3155d61a109fd40680..b5370aa85869586d86c60df37b3c74146320e1a1 100644 (file)
--- a/stdio/FreeBSD/putc.3
+++ b/stdio/FreeBSD/putc.3
@@ -13,10 +13,6 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"    This product includes software developed by the University of
-.\"    California, Berkeley and its contributors.
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
@@ -34,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)putc.3     8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/stdio/putc.3,v 1.14 2003/02/23 01:47:47 ru Exp $
+.\" $FreeBSD: src/lib/libc/stdio/putc.3,v 1.16 2007/01/09 00:28:07 imp Exp $
 .\"
 .Dd January 10, 2003
 .Dt PUTC 3
@@ -52,17 +48,33 @@
 .Sh SYNOPSIS
 .In stdio.h
 .Ft int
-.Fn fputc "int c" "FILE *stream"
+.Fo fputc
+.Fa "int c"
+.Fa "FILE *stream"
+.Fc
 .Ft int
-.Fn putc "int c" "FILE *stream"
+.Fo putc
+.Fa "int c"
+.Fa "FILE *stream"
+.Fc
 .Ft int
-.Fn putc_unlocked "int c" "FILE *stream"
+.Fo putc_unlocked
+.Fa "int c"
+.Fa "FILE *stream"
+.Fc
 .Ft int
-.Fn putchar "int c"
+.Fo putchar
+.Fa "int c"
+.Fc
 .Ft int
-.Fn putchar_unlocked "int c"
+.Fo putchar_unlocked
+.Fa "int c"
+.Fc
 .Ft int
-.Fn putw "int w" "FILE *stream"
+.Fo putw
+.Fa "int w"
+.Fa "FILE *stream"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn fputc
@@ -75,8 +87,14 @@ to the output stream pointed to by
 .Pp
 The
 .Fn putc
-function acts essentially identically to
-.Fn fputc .
+macro acts essentially identically to
+.Fn fputc ,
+but is a macro that expands in-line.
+It may evaluate
+.Fa stream
+more than once, so arguments given to
+.Fn putc
+should not be expressions with potential side effects.
 .Pp
 The
 .Fn putchar
@@ -115,7 +133,7 @@ The functions,
 .Fn fputc ,
 .Fn putc ,
 .Fn putchar ,
-.Fn putc_unlocked
+.Fn putc_unlocked ,
 and
 .Fn putchar_unlocked
 return the character written.