[CRT] Implement the missing CRT _sc(w)printf() functions. CORE-14497

dll/win32/msvcrt/msvcrt.spec

@@ -601,8 +601,8 @@
 @ cdecl -arch=i386 _safe_fprem()
 @ cdecl -arch=i386 _safe_fprem1()
 @ cdecl _scalb(double long)
-# stub _scprintf
-# stub _scwprintf
+@ varargs _scprintf(str)
+@ varargs _scwprintf(wstr)
 @ cdecl _searchenv(str str ptr)
 @ stdcall -i386 _seh_longjmp_unwind(ptr)
 # stub _set_SSE2_enable

sdk/lib/crt/crt.cmake

@@ -135,6 +135,8 @@ list(APPEND CRT_SOURCE
     misc/tls.c
     printf/_cprintf.c
     printf/_cwprintf.c
+    printf/_scprintf.c
+    printf/_scwprintf.c
     printf/_snprintf.c
     printf/_snprintf_s.c
     printf/_snwprintf.c

sdk/lib/crt/printf/_scprintf.c

@@ -0,0 +1,25 @@
+/*
+ * COPYRIGHT:       GNU GPL, see COPYING in the top level directory
+ * PROJECT:         ReactOS crt library
+ * FILE:            lib/sdk/crt/printf/_scprintf.c
+ * PURPOSE:         Implementation of _scprintf
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+int
+__cdecl
+_scprintf(
+    const char *format,
+    ...)
+{
+    int len;
+    va_list args;
+
+    va_start(args, format);
+    len = _vscprintf(format, args);
+    va_end(args);
+
+    return len;
+}

sdk/lib/crt/printf/_scwprintf.c

@@ -0,0 +1,25 @@
+/*
+ * COPYRIGHT:       GNU GPL, see COPYING in the top level directory
+ * PROJECT:         ReactOS crt library
+ * FILE:            lib/sdk/crt/printf/_scwprintf.c
+ * PURPOSE:         Implementation of _scwprintf
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+int
+__cdecl
+_scwprintf(
+    const wchar_t *format,
+    ...)
+{
+    int len;
+    va_list args;
+
+    va_start(args, format);
+    len = _vscwprintf(format, args);
+    va_end(args);
+
+    return len;
+}