diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index d256cc263..69bdb99a8 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+Thu Sep  6 00:40:35 2001  Christopher Faylor <cgf@cygnus.com>
+
+	Remove initialization of static or global values to zero, throughout.
+	This just needlessly grows the size of the DLL.
+	* tty.cc (tty::alive): Make inuse handle non-inheriting on open, just
+	for thread safety.
+
 Wed Sep  5 23:36:03 2001  Christopher Faylor <cgf@cygnus.com>
 
 	* cygheap.h (init_cygheap): Move bucket array here from cygheap.cc.
diff --git a/winsup/cygwin/dcrt0.cc b/winsup/cygwin/dcrt0.cc
index f4acc8d44..43940b435 100644
--- a/winsup/cygwin/dcrt0.cc
+++ b/winsup/cygwin/dcrt0.cc
@@ -54,12 +54,12 @@ per_thread NO_COPY *threadstuff[] = {&waitq_storage,
 				     &signal_dispatch_storage,
 				     NULL};
 
-BOOL display_title = FALSE;
-BOOL strip_title_path = FALSE;
+BOOL display_title;
+BOOL strip_title_path;
 BOOL allow_glob = TRUE;
 codepage_type current_codepage = ansi_cp;
 
-int cygwin_finished_initializing = 0;
+int cygwin_finished_initializing;
 
 /* Used in SIGTOMASK for generating a bit for insertion into a sigset_t.
    This is subtracted from the signal number prior to shifting the bit.
@@ -86,7 +86,7 @@ extern "C"
   char **__cygwin_environ;
   char ***main_environ;
   /* __progname used in getopt error message */
-  char *__progname = NULL;
+  char *__progname;
   struct _reent reent_data = _REENT_INIT(reent_data);
   struct per_process __cygwin_user_data =
   {/* initial_sp */ 0, /* magic_biscuit */ 0,
@@ -110,14 +110,14 @@ extern "C"
    /* resourcelocks */ &_reslock, /* threadinterface */ &_mtinterf,
    /* impure_ptr */ &reent_data,
   };
-  bool ignore_case_with_glob = FALSE;
+  bool ignore_case_with_glob;
   int __declspec (dllexport) _check_for_executable = TRUE;
 #ifdef DEBUGGING
-  int pinger = 0;
+  int pinger;
 #endif
 };
 
-char *old_title = NULL;
+char *old_title;
 char title_buf[TITLESIZE + 1];
 
 static void
@@ -621,8 +621,8 @@ alloc_stack (child_info_fork *ci)
 }
 
 static NO_COPY int mypid = 0;
-int _declspec(dllexport) __argc = 0;
-char _declspec(dllexport) **__argv = NULL;
+int _declspec(dllexport) __argc;
+char _declspec(dllexport) **__argv;
 
 void
 sigthread::init (const char *s)
diff --git a/winsup/cygwin/dll_init.cc b/winsup/cygwin/dll_init.cc
index 6a299d45b..74bec0769 100644
--- a/winsup/cygwin/dll_init.cc
+++ b/winsup/cygwin/dll_init.cc
@@ -18,8 +18,8 @@ extern void __stdcall check_sanity_and_sync (per_process *);
 
 dll_list NO_COPY dlls;
 
-static NO_COPY int in_forkee = 0;
-static int dll_global_dtors_recorded = 0;
+static NO_COPY int in_forkee;
+static int dll_global_dtors_recorded;
 
 /* Run destructors for all DLLs on exit. */
 static void
diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc
index 0e4e3310a..ab5766375 100644
--- a/winsup/cygwin/environ.cc
+++ b/winsup/cygwin/environ.cc
@@ -40,7 +40,7 @@ extern int subauth_id;
 BOOL reset_com = TRUE;
 static BOOL envcache = TRUE;
 
-static char **lastenviron = NULL;
+static char **lastenviron;
 
 #define ENVMALLOC \
   (CYGWIN_VERSION_DLL_MAKE_COMBINED (user_data->api_major, user_data->api_minor) \
@@ -641,7 +641,7 @@ environ_init (char **envp, int envc)
   bool envp_passed_in;
   static char cygterm[] = "TERM=cygwin";
 
-  static int initted = 0;
+  static int initted;
   if (!initted)
     {
       for (int i = 0; conv_envvars[i].name != NULL; i++)
diff --git a/winsup/cygwin/external.cc b/winsup/cygwin/external.cc
index 4eed55fb6..9bbdc6024 100644
--- a/winsup/cygwin/external.cc
+++ b/winsup/cygwin/external.cc
@@ -35,7 +35,7 @@ fillout_pinfo (pid_t pid, int winpid)
   if (!pids.npids || !nextpid)
     pids.init (winpid);
 
-  static unsigned int i = 0;
+  static unsigned int i;
   if (!pid)
     i = 0;
 
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 115a4c796..6dd65bd59 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -30,9 +30,9 @@ static NO_COPY const int CHUNK_SIZE = 1024; /* Used for crlf conversions */
 
 static char fhandler_disk_dummy_name[] = "some disk file";
 
-struct __cygwin_perfile *perfile_table = NULL;
+struct __cygwin_perfile *perfile_table;
 
-DWORD binmode = 0;
+DWORD binmode;
 
 inline fhandler_base&
 fhandler_base::operator =(fhandler_base &x)
diff --git a/winsup/cygwin/fhandler_clipboard.cc b/winsup/cygwin/fhandler_clipboard.cc
index ad7ec8733..97aaad884 100644
--- a/winsup/cygwin/fhandler_clipboard.cc
+++ b/winsup/cygwin/fhandler_clipboard.cc
@@ -30,7 +30,7 @@ details. */
 
 static const char *CYGWIN_NATIVE = "CYGWIN_NATIVE_CLIPBOARD";
 /* this is MT safe because windows format id's are atomic */
-static UINT cygnativeformat = 0;
+static UINT cygnativeformat;
 
 fhandler_dev_clipboard::fhandler_dev_clipboard (const char *name):
 fhandler_base (FH_CLIPBOARD, name)
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index 830ced5ae..aabaa47b7 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -35,7 +35,7 @@
 #define ENTROPY_SOURCE_NAME "/dev/urandom"
 #define ENTROPY_SOURCE_DEV_UNIT 9
 
-fhandler_dev_random* entropy_source = NULL;
+fhandler_dev_random* entropy_source;
 
 /**********************************************************************/
 /* fhandler_socket */
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index d5c5f739b..e3ca86d55 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -109,7 +109,7 @@ public:
   const char *tname;
 } ostack[100];
 
-static int osi = 0;
+static int osi;
 #endif /*DEBUGGING*/
 
 DWORD
diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index 173c02b1b..696daaf05 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -30,9 +30,9 @@ details. */
 #include "dll_init.h"
 
 #ifdef DEBUGGING
-static int npid = 0;
-static int npid_max = 0;
-static pid_t fork_pids[100] = {0};
+static int npid;
+static int npid_max;
+static pid_t fork_pids[100];
 #endif
 
 DWORD NO_COPY chunksize = 0;
diff --git a/winsup/cygwin/grp.cc b/winsup/cygwin/grp.cc
index 600302c95..e73c9a058 100644
--- a/winsup/cygwin/grp.cc
+++ b/winsup/cygwin/grp.cc
@@ -31,9 +31,9 @@ details. */
    on the first call that needs information from it. */
 
 static NO_COPY const char *etc_group = "/etc/group";
-static struct group *group_buf = NULL;		/* group contents in memory */
-static int curr_lines = 0;
-static int max_lines = 0;
+static struct group *group_buf;		/* group contents in memory */
+static int curr_lines;
+static int max_lines;
 
 /* Position in the group cache */
 #ifdef _MT_SAFE
diff --git a/winsup/cygwin/heap.cc b/winsup/cygwin/heap.cc
index 6d217cab3..3fd6d5465 100644
--- a/winsup/cygwin/heap.cc
+++ b/winsup/cygwin/heap.cc
@@ -19,7 +19,7 @@ details. */
 
 #define assert(x)
 
-static unsigned page_const = 0;
+static unsigned page_const;
 
 extern "C" size_t getpagesize ();
 
diff --git a/winsup/cygwin/localtime.cc b/winsup/cygwin/localtime.cc
index 573ec8c8c..daf888a04 100644
--- a/winsup/cygwin/localtime.cc
+++ b/winsup/cygwin/localtime.cc
@@ -640,12 +640,12 @@ static struct tm	tm;
 #undef _daylight
 
 #ifdef USG_COMPAT
-time_t			timezone = 0;
-int			daylight = 0;
+time_t			timezone;
+int			daylight;
 #endif /* defined USG_COMPAT */
 
 #ifdef ALTZONE
-time_t			altzone = 0;
+time_t			altzone;
 #endif /* defined ALTZONE */
 
 static long
diff --git a/winsup/cygwin/malloc_wrapper.cc b/winsup/cygwin/malloc_wrapper.cc
index 43bb0c52a..783fec956 100644
--- a/winsup/cygwin/malloc_wrapper.cc
+++ b/winsup/cygwin/malloc_wrapper.cc
@@ -28,7 +28,7 @@ details. */
    problems if malloced on our heap and free'd on theirs.
 */
 
-static int export_malloc_called = 0;
+static int export_malloc_called;
 static int use_internal_malloc = 1;
 
 #undef in
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 1715b16cb..34489da8e 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1072,8 +1072,8 @@ cygwin_gethostbyname (const char *name)
 {
   static unsigned char tmp_addr[4];
   static struct hostent tmp;
-  static char *tmp_aliases[1] = {0};
-  static char *tmp_addr_list[2] = {0, 0};
+  static char *tmp_aliases[1];
+  static char *tmp_addr_list[2];
   static int a, b, c, d;
 
   if (sscanf (name, "%d.%d.%d.%d", &a, &b, &c, &d) == 4)
diff --git a/winsup/cygwin/ntea.cc b/winsup/cygwin/ntea.cc
index 1d5c77cd4..421610060 100644
--- a/winsup/cygwin/ntea.cc
+++ b/winsup/cygwin/ntea.cc
@@ -16,7 +16,7 @@ details. */
 #include "security.h"
 
 /* Default to not using NTEA information */
-BOOL allow_ntea = FALSE;
+BOOL allow_ntea;
 
 /*
 From Windows NT DDK:
diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc
index 63ecce4e5..14e8b819b 100644
--- a/winsup/cygwin/pinfo.cc
+++ b/winsup/cygwin/pinfo.cc
@@ -31,7 +31,7 @@ static char NO_COPY pinfo_dummy[sizeof(pinfo)] = {0};
 
 pinfo NO_COPY myself ((_pinfo *)&pinfo_dummy);	// Avoid myself != NULL checks
 
-HANDLE hexec_proc = NULL;
+HANDLE hexec_proc;
 
 void __stdcall
 pinfo_fixup_after_fork ()
@@ -319,7 +319,7 @@ winpids::add (DWORD& nelem, bool winpid, DWORD pid)
 DWORD
 winpids::enumNT (bool winpid)
 {
-  static DWORD szprocs = 0;
+  static DWORD szprocs;
   static SYSTEM_PROCESSES *procs;
 
   DWORD nelem = 0;
diff --git a/winsup/cygwin/shared.cc b/winsup/cygwin/shared.cc
index 91fc48e5f..5622765fa 100644
--- a/winsup/cygwin/shared.cc
+++ b/winsup/cygwin/shared.cc
@@ -31,7 +31,7 @@ details. */
 
 shared_info NO_COPY *cygwin_shared = NULL;
 mount_info NO_COPY *mount_table = NULL;
-HANDLE cygwin_mount_h = NULL;
+HANDLE cygwin_mount_h;
 
 /* General purpose security attribute objects for global use. */
 SECURITY_ATTRIBUTES NO_COPY sec_none;
diff --git a/winsup/cygwin/shortcut.c b/winsup/cygwin/shortcut.c
index 1aaa5de9e..fd684e83b 100644
--- a/winsup/cygwin/shortcut.c
+++ b/winsup/cygwin/shortcut.c
@@ -39,7 +39,7 @@ has_exec_chars (const char *buf, int len)
 }
 
 char shortcut_header[SHORTCUT_HDR_SIZE];
-BOOL shortcut_initalized = FALSE;
+BOOL shortcut_initalized;
 
 void
 create_shortcut_header (void)
diff --git a/winsup/cygwin/tty.cc b/winsup/cygwin/tty.cc
index 613aa2969..7edfdd217 100644
--- a/winsup/cygwin/tty.cc
+++ b/winsup/cygwin/tty.cc
@@ -295,7 +295,7 @@ tty::alive (const char *fmt)
   char buf[sizeof (TTY_MASTER_ALIVE) + 16];
 
   __small_sprintf (buf, fmt, ntty);
-  if ((ev = OpenEvent (EVENT_ALL_ACCESS, TRUE, buf)))
+  if ((ev = OpenEvent (EVENT_ALL_ACCESS, FALSE, buf)))
     CloseHandle (ev);
   return ev != NULL;
 }