xcb_dbe_query_version(3) XCB Requests xcb_dbe_query_version(3)

NAME

xcb_dbe_query_version - Queries the version of this extension

SYNOPSIS

#include <xcb/dbe.h>

Request function

xcb_dbe_query_version_cookie_t
xcb_dbe_query_version(xcb_connection_t *conn,
uint8_t major_version, uint8_t minor_version);

Reply datastructure

typedef struct xcb_dbe_query_version_reply_t {
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
uint8_t major_version;
uint8_t minor_version;
uint8_t pad1[22];
} xcb_dbe_query_version_reply_t;

Reply function

xcb_dbe_query_version_reply_t
*xcb_dbe_query_version_reply(xcb_connection_t *conn,
xcb_dbe_query_version_cookie_t cookie,
xcb_generic_error_t **e);

REQUEST ARGUMENTS

conn The XCB connection to X11.

major_version
The major version of the extension. Check that it is
compatible with the XCB_DBE_MAJOR_VERSION that your code is
compiled with.

minor_version
The minor version of the extension. Check that it is
compatible with the XCB_DBE_MINOR_VERSION that your code is
compiled with.

REPLY FIELDS

response_type
The type of this reply, in this case XCB_DBE_QUERY_VERSION.
This field is also present in the xcb_generic_reply_t and
can be used to tell replies apart from each other.

sequence The sequence number of the last request processed by the
X11 server.

length The length of the reply, in words (a word is 4 bytes).

major_version
TODO: NOT YET DOCUMENTED.

minor_version
TODO: NOT YET DOCUMENTED.

DESCRIPTION

Queries the version of this extension. You must do this before using
any functionality it provides.

RETURN VALUE

Returns an xcb_dbe_query_version_cookie_t. Errors have to be handled
when calling the reply function xcb_dbe_query_version_reply.

If you want to handle errors in the event loop instead, use
xcb_dbe_query_version_unchecked. See xcb-requests(3) for details.

ERRORS

This request does never generate any errors.

SEE ALSO

xcb-requests(3)

AUTHOR

Generated from dbe.xml. Contact xcb@lists.freedesktop.org for
corrections and improvements.

X Version 11 libxcb 1.16.1 xcb_dbe_query_version(3)