Remove prototype header for Digital/Tru64 5.x. [skip ci]

The first 5.x release was 22 years ago, the vendor stopped supporting
this OS 10 years ago.

3 files changed, 1 insertions, 32 deletions

diff --git a/INSTALL.md b/INSTALL.md
index 7aa11d6f..6e20ca71 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -241,7 +241,7 @@ in `/usr/include/sys/dlpi.h`, and find the corresponding value.
 	grammar.y	    - filter string grammar
 	ieee80211.h	    - 802.11 definitions
 	install-sh	    - BSD style install script
-	lbl/os-*.h	    - OS-dependent defines and prototypes
+	lbl/os-*.h	    - OS-dependent defines and prototypes (if any)
 	llc.h		    - 802.2 LLC SAP definitions
 	missing/*	    - replacements for missing library functions
 	mkdep		    - construct Makefile dependency list
diff --git a/Makefile.in b/Makefile.in
index f896a28e..736aebda 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -286,7 +286,6 @@ EXTRA_DIST = \
 	fad-glifc.c \
 	grammar.y.in \
 	install-sh \
-	lbl/os-osf5.h \
 	libpcap.pc.in \
 	missing/asprintf.c \
 	missing/getopt.c \
diff --git a/lbl/os-osf5.h b/lbl/os-osf5.h
deleted file mode 100644
index 52ab1750..00000000
--- a/lbl/os-osf5.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 1993, 1994, 1995, 1996, 1997
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' 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.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-/*
- * Prototypes missing in Tru64 UNIX 5.x
- * XXX - "snprintf()" and "vsnprintf()" aren't missing, but you have to
- * #define the right value to get them defined by <stdio.h>.
- */
-int	snprintf(char *, size_t, const char *, ...);
-int	vsnprintf(char *, size_t, const char *, va_list);
-int	pfopen(char *, int);
-