add some lua library

lua-protobuf/alloc.h

@@ -0,0 +1,25 @@
+#ifndef PROTOBUF_C_ALLOC_H
+#define PROTOBUF_C_ALLOC_H
+
+#include <stdlib.h>
+#include <string.h>
+
+void * _pbcM_malloc(size_t sz);
+void _pbcM_free(void *p);
+void * _pbcM_realloc(void *p, size_t sz);
+void _pbcM_memory();
+
+struct heap;
+
+struct heap * _pbcH_new(int pagesize);
+void _pbcH_delete(struct heap *);
+void* _pbcH_alloc(struct heap *, int size);
+
+#define HMALLOC(size) ((h) ? _pbcH_alloc(h, size) : _pbcM_malloc(size))
+
+#define malloc _pbcM_malloc
+#define free _pbcM_free
+#define realloc _pbcM_realloc
+#define memory _pbcM_memory
+
+#endif