add hooklib for external functions loaded via getprocaddress

hooklib/procaddr.h

@@ -0,0 +1,18 @@
+#pragma once
+#include <windows.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "hook/table.h"
+
+struct proc_addr_table {
+    const char *name;
+    size_t nsyms;    
+    struct hook_symbol *syms;
+};
+
+HRESULT proc_addr_table_push(
+    const char *target,
+    struct hook_symbol *syms,
+    size_t nsyms
+);