Replace most usage of std.c.* with the druntime equivalents, in prepa…

…ration for deprecation of the std.c.* modules.

samples/chello.d

@@ -15,10 +15,10 @@
 
 // From an example from "Inside OLE" Copyright Microsoft
 
-import std.c.stdio;
-import std.c.stdlib;
+import core.stdc.stdio;
+import core.stdc.stdlib;
 import std.string;
-import std.c.windows.windows;
+import core.sys.windows.windows;
 import std.c.windows.com;
 
 GUID CLSID_Hello = { 0x30421140, 0, 0, [0xC0, 0, 0, 0, 0, 0, 0, 0x46] };

samples/d2html.d

@@ -11,7 +11,7 @@
  * "as is" without express or implied warranty.
  */
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 import std.conv;
 import std.string;

samples/dclient.d

@@ -13,9 +13,9 @@
  * Compuserve:  >INTERNET:kraigb@microsoft.com
  */
 
-import std.c.stdio;
-import std.c.stdlib;
-import std.c.windows.windows;
+import core.stdc.stdio;
+import core.stdc.stdlib;
+import core.sys.windows.windows;
 import std.c.windows.com;
 
 GUID CLSID_Hello = { 0x30421140, 0, 0, [0xC0, 0, 0, 0, 0, 0, 0, 0x46] };

samples/dhry.d

@@ -333,9 +333,9 @@
  *************************************************************************
  */
 
-import std.c.stdio;
-import std.c.string;
-import std.c.stdlib;
+import core.stdc.stdio;
+import core.stdc.string;
+import core.stdc.stdlib;
 import std.string;
 
 /* Compiler and system dependent definitions: */
@@ -894,7 +894,7 @@ Boolean Func_3(Enumeration Enum_Par_Val)
 
 version (Win32)
 {
-    import std.c.windows.windows;
+    import core.sys.windows.windows;
 
     double dtime()
     {
@@ -908,7 +908,7 @@ version (Win32)
 
 version (linux)
 {
-    import std.c.linux.linux;
+    import core.stdc.time;
 
     double dtime()
     {
@@ -922,7 +922,7 @@ version (linux)
 
 version (OSX)   // supplied by Anders F Bjorklund
 {
-    import std.c.linux.linux;
+    import core.sys.posix.sys.time;
 
     double dtime()
     {

samples/dserver.d

@@ -14,11 +14,11 @@
  * Compuserve:  >INTERNET:kraigb@microsoft.com
  */
 
-import std.c.stdio;
-import std.c.stdlib;
-import std.c.string;
+import core.stdc.stdio;
+import core.stdc.stdlib;
+import core.stdc.string;
 import std.string;
-import std.c.windows.windows;
+import core.sys.windows.windows;
 import std.c.windows.com;
 
 import chello;

samples/mydll/dll.d

@@ -1,7 +1,7 @@
 
 // Public Domain
 
-import std.c.windows.windows;
+import core.sys.windows.windows;
 import core.sys.windows.dll;
 
 __gshared HINSTANCE g_hInst;

samples/mydll/mydll.d

@@ -1,5 +1,5 @@
 
 module mydll;
-import std.c.stdio;
+import core.stdc.stdio;
 
 export void dllprint() { printf("hello dll world\n"); }

samples/pi.d

@@ -1,7 +1,7 @@
 import std.stdio;
 import std.conv;
-import std.c.stdlib;
-import std.c.time;
+import core.stdc.stdlib;
+import core.stdc.time;
 
 const int LONG_TIME = 4000;
 
@@ -42,11 +42,11 @@ int main(string[] args)
     t.length = q + 1;
 
     /* compute pi */
-    std.c.time.time(&startime);
+    core.stdc.time.time(&startime);
     arctan(2);
     arctan(3);
     mul4();
-    std.c.time.time(&endtime);
+    core.stdc.time.time(&endtime);
 
     // Return to the number of digits we want to display
     q--;

samples/winsamp.d

@@ -11,7 +11,7 @@ module winsamp;
 
 pragma(lib, "gdi32.lib");
 import core.runtime;
-import std.c.windows.windows;
+import core.sys.windows.windows;
 import std.string;
 
 enum IDC_BTNCLICK     = 101;

src/backend/gflow.c

@@ -774,7 +774,7 @@ STATIC void defstarkill()
 
 #if 1
 /* The following program fails for this:
-import std.c.stdio;
+import core.stdc.stdio;
 
 class Foo
 {

test/compilable/cppmangle.d

@@ -4,7 +4,7 @@
 
 version(linux):
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 extern (C++) int foob(int i, int j, int k);
 

test/compilable/imports/art4769a.d

@@ -1,6 +1,6 @@
 module imports.art4769a;
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 template DataStreamability(T)
 {

test/compilable/imports/test25a.d

@@ -1,7 +1,7 @@
 module imports.test25a;
 
 import imports.test25b;
-import std.c.stdio;
+import core.stdc.stdio;
 
 class Afoo
 {

test/compilable/imports/test25b.d

@@ -2,7 +2,7 @@ module imports.test25b;
 
 import imports.test25a;
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 class Bfoo
 {

test/compilable/testcov1.d

@@ -2,6 +2,6 @@
 // PERMUTE_ARGS:
 // REQUIRED_ARGS: -cov
 
-import std.c.string;
+import core.stdc.string;
 import testcov1a;
 

test/d_do_test.d

@@ -262,9 +262,9 @@ string genTempFilename(string result_path)
 
 int system(string command)
 {
-    if (!command) return std.c.process.system(null);
+    if (!command) return core.stdc.stdlib.system(null);
     const commandz = toStringz(command);
-    auto status = std.c.process.system(commandz);
+    auto status = core.stdc.stdlib.system(commandz);
     if (status == -1) return status;
     version (Windows) status <<= 8;
     return status;

test/fail_compilation/fail262.d

@@ -7,7 +7,7 @@ fail_compilation/fail262.d(23): Error: function fail262.B.f does not override an
 
 // Issue 1645 - can override base class' const method with non-const method
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 class A
 {

test/fail_compilation/fail329.d

@@ -6,7 +6,7 @@ fail_compilation/fail329.d(29): Error: variable fail329.A.foo.__ensure.result ca
 ---
 */
 
-//import std.c.stdio;
+//import core.stdc.stdio;
 
 /*******************************************/
 

test/runnable/Same.d

@@ -2,7 +2,7 @@
 // PERMUTE_ARGS:
 
 module Same; // makes no difference if removed
-import std.c.stdio;
+import core.stdc.stdio;
 class Same
 {
 this()

test/runnable/auto1.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 /******************************************/
 

test/runnable/bitops.d

@@ -1,6 +1,6 @@
 // PERMUTE_ARGS:
 
-import std.c.stdio;
+import core.stdc.stdio;
 import core.bitop;
 
 /*****************************************************/

test/runnable/circular.d

@@ -5,7 +5,7 @@
 
 // Bugzilla 4543
 
-import std.c.stdio;
+import core.stdc.stdio;
 import imports.circularA;
 
 class bclass {};

test/runnable/closure.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 struct S { int a,b,c,d; }
 

test/runnable/delegate.d

@@ -1,6 +1,6 @@
 // REQUIRED_ARGS:
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 /********************************************************/
 

test/runnable/dhry.d

@@ -335,9 +335,9 @@
  *************************************************************************
  */
 
-import std.c.stdio;
-import std.c.string;
-import std.c.stdlib;
+import core.stdc.stdio;
+import core.stdc.string;
+import core.stdc.stdlib;
 import std.string;
 
 
@@ -867,7 +867,7 @@ Boolean Func_3 (Enumeration Enum_Par_Val)
 
 version (Windows)
 {
-    import std.c.windows.windows;
+    import core.sys.windows.windows;
 
     double dtime()
     {
@@ -881,7 +881,7 @@ version (Windows)
 
 version (linux)
 {
-    import std.c.linux.linux;
+    import core.stdc.time;
 
     double dtime()
     {
@@ -895,7 +895,7 @@ version (linux)
 
 version (OSX)	// supplied by Anders F Bjorklund
 {
-    import std.c.linux.linux;
+    import core.sys.posix.sys.time;
 
     double dtime()
     {

test/runnable/extra-files/mul9377a.d

@@ -1,4 +1,4 @@
-import std.c.stdio;
+import core.stdc.stdio;
 
 import mul9377b;
 

test/runnable/extra-files/mul9377b.d

@@ -1,6 +1,6 @@
 module mul9377b;
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 int j;
 

test/runnable/extra-files/multi9377.d

@@ -1,4 +1,4 @@
-import std.c.stdio;
+import core.stdc.stdio;
 
 import mul9377a, mul9377b;
 

test/runnable/extra-files/test2.d

@@ -1,6 +1,6 @@
 
 import object;
-import std.c.stdio;
+import core.stdc.stdio;
 import std.algorithm;
 
 /* ================================ */

test/runnable/foreach.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 /**************************************************/
 

test/runnable/foreach2.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 /**************************************************/
 

test/runnable/foreach3.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 struct Foo
 {

test/runnable/foreach4.d

@@ -1,5 +1,5 @@
 
-import std.c.stdio;
+import core.stdc.stdio;
 import std.stdio;
 
 alias bool bit;

test/runnable/iasm64.d

@@ -5,7 +5,7 @@
 // written by Walter Bright
 // http://www.digitalmars.com
 
-import std.c.stdio;
+import core.stdc.stdio;
 
 version (D_PIC)
 {

test/runnable/imports/Other.d

@@ -1,6 +1,6 @@
 module imports.Other; // makes no difference if removed
 import Same;
-import std.c.stdio;
+import core.stdc.stdio;
 
 class Other : Same // segfault
 // class Other : Same.Same //***UGLY ALERT*** but doesn't segfault

test/runnable/imports/testminitAA.d

@@ -1,6 +1,6 @@
 module imports.testminitAA;
 
-import std.c.stdio;
+import core.stdc.stdio;
 int aa;
 
 static this()

test/runnable/imports/testminitBB.d

@@ -1,6 +1,6 @@
 module imports.testminitBB;
 
-import std.c.stdio;
+import core.stdc.stdio;
 int bb;
 
 static this()