--- mstools/samples/rpc/handles/cxhndl/cxhndlp.c	2018/08/09 18:20:56	1.1
+++ mstools/samples/rpc/handles/cxhndl/cxhndlp.c	2018/08/09 18:22:03	1.1.1.2
@@ -32,7 +32,8 @@ FILE_CONTEXT_TYPE * pFileContext = &File
 //
 // This remote procedure opens a file on the server.
 //
-short RemoteOpen(PPCONTEXT_HANDLE_TYPE pphContext, char * pszFileName)
+short RemoteOpen(PPCONTEXT_HANDLE_TYPE pphContext,
+		 unsigned char * pszFileName)
 {
     *pphContext = pFileContext;   // initialize the context handle
     strcpy(pFileContext->achFile, pszFileName);
@@ -45,7 +46,9 @@ short RemoteOpen(PPCONTEXT_HANDLE_TYPE p
 //
 // This remote procedure reads a file on the server.
 //
-short RemoteRead(PPCONTEXT_HANDLE_TYPE pphContext, char *pbBuf, short *pcbBuf)
+short RemoteRead(PPCONTEXT_HANDLE_TYPE pphContext,
+		 unsigned char *pbBuf,
+		 short *pcbBuf)
 {
     FILE * fp;