diff --git a/src/ccall.c b/src/ccall.c
new file mode 100644
index 0000000..2b40a7a
--- /dev/null
+++ b/src/ccall.c
@@ -0,0 +1,39 @@
+#include "config.h"
+#include "types.h"
+#include "error.h"
+#include "lexer.h"
+#include "ops.h"
+#include "mem.h"
+#include "stack.h"
+#include "reg.h"
+#include "utils.h"
+#include "vm.h"
+#include "printf.h"
+#include "ccall.h"
+#include "context.h"
+#include "event.h"
+#include "debug.h"
+
+/*
+  Table of xternal C function handlers. Must be initialized by host application.
+*/
+ccall_t *ccalls=NULL;
+
+
+void CCallInit(ccall_t *_ccalls) {
+  ccalls=_ccalls;
+  // ccall index jump list
+  int i=0,j=0;
+  char c;
+  do {
+    c=ccalls[i].name[0];
+    j=i;
+    while (ccalls[j].name && ccalls[j].name[0]==c) j++;
+    if (ccalls[j].name) {
+      while (i<j) {
+        ccalls[i].next=j;
+        i++;
+      }
+    } else break;
+  } while (ccalls[i].name);
+}