apply ocornut suggested cimgui structure

generator/cimgui_template.h

@@ -0,0 +1,57 @@
+
+#include <stdio.h>
+
+#if defined _WIN32 || defined __CYGWIN__
+    #ifdef CIMGUI_NO_EXPORT
+        #define API
+    #else
+        #define API __declspec(dllexport)
+    #endif
+    #ifndef __GNUC__
+    #define snprintf sprintf_s
+    #endif
+#else
+    #define API
+#endif
+
+#if defined __cplusplus
+    #define EXTERN extern "C"
+#else
+    #include <stdarg.h>
+    #include <stdbool.h>
+    #define EXTERN extern
+#endif
+
+#define CIMGUI_API EXTERN API
+#define CONST const
+
+
+#ifdef _MSC_VER
+typedef unsigned __int64 ImU64;
+#else
+typedef unsigned long long ImU64;
+#endif
+
+//struct GLFWwindow;
+//struct SDL_Window;
+
+#ifdef CIMGUI_DEFINE_ENUMS_AND_STRUCTS
+#include "imgui_structs.h"
+#else
+struct GLFWwindow;
+struct SDL_Window;
+typedef union SDL_Event SDL_Event;
+#endif // CIMGUI_DEFINE_ENUMS_AND_STRUCTS
+
+#include "auto_funcs.h"
+
+/////////////////////////hand written functions
+//no LogTextV
+CIMGUI_API void igLogText(CONST char *fmt, ...);
+//no appendfV
+CIMGUI_API void ImGuiTextBuffer_appendf(struct ImGuiTextBuffer *buffer, const char *fmt, ...);
+CIMGUI_API void ImFontConfig_DefaultConstructor(ImFontConfig *config);
+//for getting FLT_MAX in bindings
+CIMGUI_API float igGET_FLT_MAX();
+
+