This is the header file for glkproto.c which documents the types and

functions available from that support "library"

server/drivers/glkproto.h

@@ -0,0 +1,62 @@
+#ifndef GLKPROTO_H
+#define GLKPROTO_H
+
+/* Necessary pre-defines */
+#include <termios.h>
+
+/* Protocol values */
+extern unsigned char  GLKCommand ;
+extern unsigned char  GLKConfirm ;
+extern unsigned char  GLKDeny ;
+
+extern unsigned char  GLKBufferFull ;
+extern unsigned char  GLKBufferEmpty ;
+
+#define GLKFLOW_OK  (0)
+#define GLKFLOW_STOPPED  (1)
+#define GLKFLOW_DISABLE  (-1)
+
+/* Structure to hold various information about a
+ *    device
+ */
+#define UNGETBUFSIZE  (16)
+typedef struct {
+      int  fd ;
+      struct termios  saved ;
+      int  flow ;
+      int  timeout ;
+      int  ungetin, ungetout ;
+      unsigned char  ungetbuf[UNGETBUFSIZE] ;
+   } GLKDisplay ;
+
+/* Quote from Matrix Orbital GLK users manual:
+ *
+ *    ... during file downloads, the modules may need
+ *    to spend considerable time moving files to make
+ *    room for the new file.  This delay during download
+ *    can be as much as a minute, but generally it will
+ *    not exceed 10 seconds.
+ */
+
+/* Default timeout = 25.4 seconds */
+#define GLK_TIMEOUT  (254)
+
+/* Functions */
+GLKDisplay * glkopen( char * name, tcflag_t speed );
+int glktimeout( GLKDisplay * fd, int timeout );
+int glkclose( GLKDisplay * );
+int glkput_confirm( GLKDisplay * fd, int c );
+int glkputa_confirm( GLKDisplay * fd, int len, unsigned char * str );
+int glkput_echo( GLKDisplay * fd, int c );
+int glkputl( GLKDisplay * fd, ... );
+int glkputa( GLKDisplay * fd, int len, unsigned char * str );
+int glkputs( GLKDisplay * fd, char * str );
+int glkput( GLKDisplay * fd, int c );
+int glkget( GLKDisplay * fd );
+int glkgetc( GLKDisplay * fd );
+int glkpoll( GLKDisplay * fd, int timeout );
+int glkflow( GLKDisplay * fd, int full, int empty );
+
+static int glkunget( GLKDisplay * fd, int c );
+
+#endif