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diff --git a/vio/violite.h b/vio/violite.h
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+/* Copyright Abandoned 2000 Monty Program KB
+ This file is public domain and comes with NO WARRANTY of any kind */
+
+/*
+ * Vio Lite.
+ * Purpose: include file for Vio that will work with C and C++
+ */
+
+#ifndef vio_violite_h_
+#define vio_violite_h_
+
+#include "my_net.h" /* needed because of struct in_addr */
+
+#ifdef HAVE_VIO
+#include <Vio.h> /* Full VIO interface */
+#else
+
+/* Simple vio interface in C; The functions are implemented in violite.c */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#ifndef Vio_defined
+#define Vio_defined
+struct st_vio; /* Only C */
+typedef struct st_vio Vio;
+#endif
+
+enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET,
+ VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL};
+
+Vio* vio_new(my_socket sd,
+ enum enum_vio_type type,
+ my_bool localhost);
+#ifdef __WIN__
+Vio* vio_new_win32pipe(HANDLE hPipe);
+#endif
+void vio_delete(Vio* vio);
+
+/*
+ * vio_read and vio_write should have the same semantics
+ * as read(2) and write(2).
+ */
+int vio_read( Vio* vio,
+ gptr buf, int size);
+int vio_write( Vio* vio,
+ const gptr buf,
+ int size);
+/*
+ * Whenever the socket is set to blocking mode or not.
+ */
+int vio_blocking( Vio* vio,
+ my_bool onoff);
+my_bool vio_is_blocking( Vio* vio);
+/*
+ * setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible.
+ */
+int vio_fastsend( Vio* vio,
+ my_bool onoff);
+/*
+ * setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible.
+ */
+int vio_keepalive( Vio* vio,
+ my_bool onoff);
+/*
+ * Whenever we should retry the last read/write operation.
+ */
+my_bool vio_should_retry( Vio* vio);
+/*
+ * When the workday is over...
+ */
+int vio_close( Vio* vio);
+/*
+ * Short text description of the socket for those, who are curious..
+ */
+const char* vio_description( Vio* vio);
+
+/* Return the type of the connection */
+ enum enum_vio_type vio_type(Vio* vio);
+
+/* Return last error number */
+int vio_errno(Vio *vio);
+
+/* Get socket number */
+my_socket vio_fd(Vio *vio);
+
+/*
+ * Remote peer's address and name in text form.
+ */
+my_bool vio_peer_addr(Vio * vio, char *buf);
+
+/* Remotes in_addr */
+
+void vio_in_addr(Vio *vio, struct in_addr *in);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* HAVE_VIO */
+#endif /* vio_violite_h_ */