Include errno.h, string.h, unistd.h. Don't declare errno, strerror.

Put text after #endif in comment.

diff --git a/src/unexalpha.c b/src/unexalpha.c
index 987828664ebb9ba118df14b48abdde4a13a059c9..de6c46a83588ffc3a9c1a9b4d220fae5f1a21b19 100644 (file)
--- a/src/unexalpha.c
+++ b/src/unexalpha.c
@@ -1,6 +1,6 @@
 /* Unexec for DEC alpha.  schoepf@sc.ZIB-Berlin.DE (Rainer Schoepf).
 
-   Copyright (C) 1994 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -27,6 +27,10 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/mman.h>
 #include <stdio.h>
 #include <varargs.h>
+#include <errno.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
 #if !defined (__NetBSD__) && !defined (__OpenBSD__)
 #include <filehdr.h>
 #include <aouthdr.h>
@@ -94,10 +98,11 @@ static void mark_x ();
        if (lseek (_fd, _position, L_SET) != _position) \
          fatal_unexec (_error_message, _error_arg);
 
-extern int errno;
-extern char *strerror ();
-
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#else
 void *sbrk ();
+#endif
 
 #define EEOF -1
 
@@ -235,10 +240,10 @@ unexec (new_name, a_name, data_start, bss_start, entry_address)
 #endif
 #ifdef _PDATA
   CHECK_SCNHDR (pdata_section, _PDATA, STYP_PDATA);
-#endif _PDATA
+#endif /* _PDATA */
 #ifdef _GOT
   CHECK_SCNHDR (got_section,   _GOT,   STYP_GOT);
-#endif _GOT
+#endif /* _GOT */
   CHECK_SCNHDR (data_section,  _DATA,  STYP_DATA);
 #ifdef _XDATA
   CHECK_SCNHDR (xdata_section, _XDATA, STYP_XDATA);