Fix a passel of recently-committed violations of the rule 'thou shalt

have no other gods before c.h'.  Also remove some demonstrably redundant
#include lines, mostly of <errno.h> which was added to c.h years ago.

contrib/btree_gist/btree_numeric.c

+#include "btree_gist.h"
+
 #include <math.h>
 #include <float.h>
 
-#include "btree_gist.h"
 #include "btree_utils_var.h"
 #include "utils/builtins.h"
 #include "utils/numeric.h"

contrib/btree_gist/btree_utils_num.h

 #ifndef __BTREE_UTILS_NUM_H__
 #define __BTREE_UTILS_NUM_H__
 
+#include "btree_gist.h"
+
 #include <math.h>
 #include <float.h>
 
-#include "btree_gist.h"
-
 typedef char GBT_NUMKEY;
 
 /* Better readable key */

contrib/btree_gist/btree_utils_var.c

+#include "btree_gist.h"
+
 #include <math.h>
 #include <limits.h>
 #include <float.h>
 
-#include "btree_gist.h"
 #include "btree_utils_var.h"
 #include "utils/pg_locale.h"
 #include "utils/builtins.h"

contrib/btree_gist/btree_utils_var.h

 #ifndef __BTREE_UTILS_VAR_H__
 #define __BTREE_UTILS_VAR_H__
 
-#include "mb/pg_wchar.h"
-
 #include "btree_gist.h"
 
+#include "mb/pg_wchar.h"
+
 /* Variable length key */
 typedef bytea GBT_VARKEY;
 

contrib/chkpass/chkpass.c

@@ -4,14 +4,12 @@
  * darcy@druid.net
  * http://www.druid.net/darcy/
  *
- * $PostgreSQL: pgsql/contrib/chkpass/chkpass.c,v 1.16 2006/05/30 22:12:12 tgl Exp $
+ * $PostgreSQL: pgsql/contrib/chkpass/chkpass.c,v 1.17 2006/07/14 05:28:27 tgl Exp $
  * best viewed with tabs set to 4
  */
 
 #include "postgres.h"
 
-#include <stdio.h>
-#include <string.h>
 #include <time.h>
 #include <unistd.h>
 #ifdef HAVE_CRYPT_H

contrib/fuzzystrmatch/dmetaphone.c

 /*
  * This is a port of the Double Metaphone algorithm for use in PostgreSQL.
  *
- * $PostgreSQL: pgsql/contrib/fuzzystrmatch/dmetaphone.c,v 1.7 2006/03/11 04:38:29 momjian Exp $
+ * $PostgreSQL: pgsql/contrib/fuzzystrmatch/dmetaphone.c,v 1.8 2006/07/14 05:28:27 tgl Exp $
  *
  * Double Metaphone computes 2 "sounds like" strings - a primary and an
  * alternate. In most cases they are the same, but for foreign names
@@ -50,8 +50,8 @@
 
 
 /*
- * $Revision: 1.7 $
- * $Id: dmetaphone.c,v 1.7 2006/03/11 04:38:29 momjian Exp $
+ * $Revision: 1.8 $
+ * $Id: dmetaphone.c,v 1.8 2006/07/14 05:28:27 tgl Exp $
  */
 
 
@@ -106,8 +106,8 @@ The remaining code is authored by Andrew Dunstan <amdunstan@ncshp.org> and
 #ifndef DMETAPHONE_MAIN
 
 #include "postgres.h"
+
 #include "fmgr.h"
-#include "utils/elog.h"
 
 /* turn off assertions for embedded function */
 #define NDEBUG

contrib/pg_trgm/trgm.h

@@ -6,8 +6,6 @@
 #include "access/gist.h"
 #include "access/itup.h"
 #include "utils/builtins.h"
-#include "utils/elog.h"
-#include "utils/palloc.h"
 #include "storage/bufpage.h"
 
 /* options */

contrib/tsearch2/common.c

 #include "postgres.h"
 
-#include "postgres.h"
 #include "fmgr.h"
 #include "catalog/pg_namespace.h"
 #include "catalog/pg_proc.h"

contrib/tsearch2/gendict/dict_snowball.c.IN

-/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_snowball.c.IN,v 1.4 2006/03/11 04:38:30 momjian Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_snowball.c.IN,v 1.5 2006/07/14 05:28:27 tgl Exp $ */
 
 /* 
  * example of Snowball dictionary
  * http://snowball.tartarus.org/ 
  * Teodor Sigaev <teodor@sigaev.ru>
  */
-#include <stdlib.h>
-#include <string.h>
-
 #include "postgres.h"
 
 #include "dict.h"

contrib/tsearch2/gendict/dict_tmpl.c.IN

-/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_tmpl.c.IN,v 1.5 2006/03/11 04:38:30 momjian Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_tmpl.c.IN,v 1.6 2006/07/14 05:28:27 tgl Exp $ */
 
 /* 
  * example of dictionary 
  * Teodor Sigaev <teodor@sigaev.ru>
  */
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "postgres.h"
 
 #include "dict.h"

contrib/tsearch2/ispell/regis.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "regis.h"
 #include "ts_locale.h"
 #include "common.h"

contrib/tsearch2/ispell/spell.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
 #include "postgres.h"
 
+#include <ctype.h>
+
 #include "spell.h"
 #include "common.h"
 #include "ts_locale.h"

contrib/tsearch2/ispell/spell.h

 #ifndef __SPELL_H__
 #define __SPELL_H__
 
+#include "c.h"
+
 #include <sys/types.h>
+
 #include "regex/regex.h"
-#include "c.h"
 
 #include "regis.h"
 #include "dict.h"

src/backend/executor/nodeSubplan.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeSubplan.c,v 1.77 2006/07/13 16:49:15 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeSubplan.c,v 1.78 2006/07/14 05:28:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -17,10 +17,10 @@
  *		ExecInitSubPlan - initialize a subselect
  *		ExecEndSubPlan	- shut down a subselect
  */
-#include <math.h>
-
 #include "postgres.h"
 
+#include <math.h>
+
 #include "access/heapam.h"
 #include "executor/executor.h"
 #include "executor/nodeSubplan.h"

src/backend/libpq/auth.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.137 2006/07/13 16:49:15 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.138 2006/07/14 05:28:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -20,7 +20,6 @@
 #if defined(HAVE_STRUCT_CMSGCRED) || defined(HAVE_STRUCT_FCRED) || defined(HAVE_STRUCT_SOCKCRED)
 #include <sys/uio.h>
 #include <sys/ucred.h>
-#include <errno.h>
 #endif
 #include <netinet/in.h>
 #include <arpa/inet.h>

src/backend/libpq/pqcomm.c

@@ -30,7 +30,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.185 2006/07/13 16:49:15 momjian Exp $
+ *	$PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.186 2006/07/14 05:28:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -66,7 +66,6 @@
 #include "postgres.h"
 
 #include <signal.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <grp.h>
 #include <unistd.h>

src/backend/libpq/pqformat.c

@@ -24,7 +24,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$PostgreSQL: pgsql/src/backend/libpq/pqformat.c,v 1.41 2006/03/05 15:58:27 momjian Exp $
+ *	$PostgreSQL: pgsql/src/backend/libpq/pqformat.c,v 1.42 2006/07/14 05:28:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -69,7 +69,6 @@
 
 #include "postgres.h"
 
-#include <errno.h>
 #include <sys/param.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>

src/backend/port/dynloader/aix.c

@@ -6,7 +6,6 @@
 
 #include "postgres.h"
 
-#include <errno.h>
 #include "sys/ldr.h"
 #include <a.out.h>
 #include "ldfcn.h"

src/backend/port/ipc_test.c

@@ -21,13 +21,12 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/ipc_test.c,v 1.20 2006/03/05 15:58:34 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/ipc_test.c,v 1.21 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <unistd.h>
 
 #include "miscadmin.h"

src/backend/port/posix_sema.c

@@ -11,13 +11,12 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/posix_sema.c,v 1.16 2006/03/05 15:58:35 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/posix_sema.c,v 1.17 2006/07/14 05:28:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <unistd.h>

src/backend/port/sysv_sema.c

@@ -8,13 +8,12 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/sysv_sema.c,v 1.19 2006/03/05 15:58:35 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/sysv_sema.c,v 1.20 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <signal.h>
 #include <unistd.h>
 #include <sys/file.h>

src/backend/port/sysv_shmem.c

@@ -10,13 +10,12 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.46 2006/03/05 15:58:35 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.47 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <signal.h>
 #include <unistd.h>
 #include <sys/file.h>

src/backend/port/win32/shmem.c

@@ -6,16 +6,13 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/win32/shmem.c,v 1.12 2006/03/05 15:58:35 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/port/win32/shmem.c,v 1.13 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
-#include <stdio.h>
-#include <errno.h>
-
 static DWORD s_segsize = 0;
 
 /* Detach from a shared mem area based on its address */

src/backend/storage/file/buffile.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/file/buffile.c,v 1.23 2006/03/05 15:58:37 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/file/buffile.c,v 1.24 2006/07/14 05:28:28 tgl Exp $
  *
  * NOTES:
  *
@@ -34,8 +34,6 @@
 
 #include "postgres.h"
 
-#include <errno.h>
-
 #include "storage/fd.h"
 #include "storage/buffile.h"
 

src/backend/storage/freespace/freespace.c

@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.52 2006/03/05 15:58:37 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.53 2006/07/14 05:28:28 tgl Exp $
  *
  *
  * NOTES:
@@ -58,7 +58,6 @@
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <limits.h>
 #include <math.h>
 #include <unistd.h>

src/backend/storage/ipc/ipc.c

@@ -13,13 +13,12 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.93 2006/03/05 15:58:37 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.94 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <signal.h>
 #include <unistd.h>
 

src/backend/storage/smgr/md.c

@@ -8,13 +8,12 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.120 2006/03/05 15:58:39 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.121 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/file.h>

src/backend/utils/adt/datetime.c

@@ -8,14 +8,13 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.167 2006/06/07 22:32:31 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.168 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
 #include <ctype.h>
-#include <errno.h>
 #include <float.h>
 #include <limits.h>
 #include <math.h>

src/backend/utils/adt/float.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.125 2006/06/07 22:24:44 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.126 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -53,7 +53,6 @@
 #include "postgres.h"
 
 #include <ctype.h>
-#include <errno.h>
 #include <float.h>
 #include <math.h>
 #include <limits.h>

src/backend/utils/adt/numeric.c

@@ -14,7 +14,7 @@
  * Copyright (c) 1998-2006, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.93 2006/03/10 20:15:26 neilc Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.94 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -25,7 +25,6 @@
 #include <float.h>
 #include <limits.h>
 #include <math.h>
-#include <errno.h>
 
 #include "catalog/pg_type.h"
 #include "libpq/pqformat.h"

src/backend/utils/adt/pg_lzcompress.c

 /* ----------
  * pg_lzcompress.c -
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.21 2005/11/22 18:17:23 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.22 2006/07/14 05:28:28 tgl Exp $
  *
  *		This is an implementation of LZ compression for PostgreSQL.
  *		It uses a simple history table and generates 2-3 byte tags
@@ -175,7 +175,6 @@
 
 #include <unistd.h>
 #include <fcntl.h>
-#include <errno.h>
 
 #include "utils/pg_lzcompress.h"
 

src/backend/utils/adt/tid.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/tid.c,v 1.52 2006/03/05 15:58:44 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/tid.c,v 1.53 2006/07/14 05:28:28 tgl Exp $
  *
  * NOTES
  *	  input routine largely stolen from boxin().
@@ -17,7 +17,6 @@
  */
 #include "postgres.h"
 
-#include <errno.h>
 #include <math.h>
 #include <limits.h>
 

src/bin/psql/help.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2006, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/help.c,v 1.111 2006/06/11 23:06:00 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/help.c,v 1.112 2006/07/14 05:28:28 tgl Exp $
  */
 #include "postgres_fe.h"
 #include "common.h"
@@ -12,7 +12,6 @@
 #include "help.h"
 
 #include <signal.h>
-#include <errno.h>
 
 #ifndef WIN32
 #ifdef HAVE_PWD_H

src/bin/psql/mainloop.h

@@ -3,13 +3,12 @@
  *
  * Copyright (c) 2000-2006, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/mainloop.h,v 1.19 2006/06/14 16:49:02 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/mainloop.h,v 1.20 2006/07/14 05:28:28 tgl Exp $
  */
 #ifndef MAINLOOP_H
 #define MAINLOOP_H
 
 #include "postgres_fe.h"
-#include <stdio.h>
 
 int			MainLoop(FILE *source);
 

src/interfaces/ecpg/ecpglib/error.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/error.c,v 1.12 2006/03/17 15:46:13 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/error.c,v 1.13 2006/07/14 05:28:28 tgl Exp $ */
 
 #define POSTGRES_ECPG_INTERNAL
 #include "postgres_fe.h"
 
-#include <stdio.h>
-
 #include "ecpgerrno.h"
 #include "ecpgtype.h"
 #include "ecpglib.h"

src/interfaces/ecpg/ecpglib/execute.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.51 2006/07/05 10:49:56 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.52 2006/07/14 05:28:28 tgl Exp $ */
 
 /*
  * The aim is to get a simpler inteface to the database routines.
@@ -16,7 +16,6 @@
 #define POSTGRES_ECPG_INTERNAL
 #include "postgres_fe.h"
 
-#include <stdio.h>
 #include <locale.h>
 
 #include "pg_type.h"

src/interfaces/ecpg/preproc/pgc.l

@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.146 2006/05/11 19:15:36 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.147 2006/07/14 05:28:28 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -21,7 +21,6 @@
 #include <ctype.h>
 #include <sys/types.h>
 #include <limits.h>
-#include <errno.h>
 
 #include "extern.h"
 

src/interfaces/libpq/fe-misc.c

@@ -23,14 +23,13 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-misc.c,v 1.128 2006/06/07 22:24:46 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-misc.c,v 1.129 2006/07/14 05:28:29 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres_fe.h"
 
-#include <errno.h>
 #include <signal.h>
 #include <time.h>
 

src/interfaces/libpq/fe-protocol2.c

@@ -8,13 +8,12 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-protocol2.c,v 1.24 2006/07/14 04:59:30 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-protocol2.c,v 1.25 2006/07/14 05:28:29 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres_fe.h"
 
-#include <errno.h>
 #include <ctype.h>
 #include <fcntl.h>
 

src/timezone/pgtz.c

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.42 2006/07/14 04:59:30 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.43 2006/07/14 05:28:29 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -24,7 +24,6 @@
 #include "storage/fd.h"
 #include "tzfile.h"
 #include "utils/datetime.h"
-#include "utils/elog.h"
 #include "utils/guc.h"
 #include "utils/hsearch.h"