create buffer class && some warnings fixes && update manual && create vscode tasks

.vscode/settings.json

@@ -9,7 +9,9 @@
         "syscalls.h": "c",
         "registers.h": "c",
         "version_type.h": "c",
-        "library_version.h": "c"
+        "library_version.h": "c",
+        "scancodes.h": "c",
+        "ipc.h": "c"
     },
     "cSpell.words": [
         "syscalls",
@@ -30,6 +32,7 @@
         "luaL_checkudata",
         "luaL_optinteger",
         "luaL_pushfail",
+        "lua_pushlightuserdata",
         "lua_pushboolean",
         "lua_pushinteger",
         "lua_pushnumber",

.vscode/tasks.json

@@ -0,0 +1,30 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "Build",
+			"type": "process",
+			"command": "make",
+			"args": [
+				"syscalls.dll"
+			],
+			"group": {
+				"isDefault": true,
+				"kind": "build"
+			},
+			"problemMatcher": "$gcc"
+		},
+		{
+			"label": "Clean",
+			"type": "process",
+			"command": "make",
+			"args": [
+				"clean"
+			],
+			"group": {
+				"isDefault": false,
+				"kind": "build"
+			}
+		}
+	]
+}