--- mstools/h/nb30.h	2018/08/09 18:21:14	1.1.1.3
+++ mstools/h/nb30.h	2018/08/09 18:23:10	1.1.1.4
@@ -1,6 +1,6 @@
 //*++
 //
-// Copyright (c) 1991  Microsoft Corporation
+// Copyright (c) 1991-1993  Microsoft Corporation
 //
 // Module Name:
 //
@@ -20,9 +20,11 @@
 //--*/
 
 #ifndef NCB_INCLUDED
-
 #define NCB_INCLUDED
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /****************************************************************
  *                                                              *
@@ -31,7 +33,7 @@
  ****************************************************************/
 
 #define NCBNAMSZ        16    /* absolute length of a net name                */
-#define MAX_LANA        32    /* lana's in range 0 to MAX_LANA                */
+#define MAX_LANA        72    /* lana's in range 0 to MAX_LANA                */
 
 /*
  * Network Control Block
@@ -48,7 +50,7 @@ typedef struct _NCB {
     UCHAR   ncb_name[NCBNAMSZ];     /* our blank-padded netname       */
     UCHAR   ncb_rto;                /* rcv timeout/retry count        */
     UCHAR   ncb_sto;                /* send timeout/sys timeout       */
-    void (*ncb_post)( struct _NCB * ); /* POST routine address        */
+    void (CALLBACK *ncb_post)( struct _NCB * ); /* POST routine address        */
     UCHAR   ncb_lana_num;           /* lana (adapter) number          */
     UCHAR   ncb_cmd_cplt;           /* 0xff => commmand pending       */
     UCHAR   ncb_reserve[10];        /* reserved, used by BIOS         */
@@ -303,6 +305,10 @@ Netbios(
  * Usage in a declaration: NCB_POST MyPostRoutine( PNCB pncb ); *
  ****************************************************************/
 
-#define NCB_POST
+#define NCB_POST void CALLBACK
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* NCB_INCLUDED */