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.