.TH xcb_dbe_query_version 3 "libxcb 1.17.0" "X Version 11" "XCB Requests" .ad l .SH NAME xcb_dbe_query_version \- Queries the version of this extension .SH SYNOPSIS .hy 0 .B #include .SS Request function .HP xcb_dbe_query_version_cookie_t \fBxcb_dbe_query_version\fP(xcb_connection_t\ *\fIconn\fP, uint8_t\ \fImajor_version\fP, uint8_t\ \fIminor_version\fP); .PP .SS Reply datastructure .nf .sp typedef struct xcb_dbe_query_version_reply_t { uint8_t \fIresponse_type\fP; uint8_t \fIpad0\fP; uint16_t \fIsequence\fP; uint32_t \fIlength\fP; uint8_t \fImajor_version\fP; uint8_t \fIminor_version\fP; uint8_t \fIpad1\fP[22]; } \fBxcb_dbe_query_version_reply_t\fP; .fi .SS Reply function .HP xcb_dbe_query_version_reply_t *\fBxcb_dbe_query_version_reply\fP(xcb_connection_t\ *\fIconn\fP, xcb_dbe_query_version_cookie_t\ \fIcookie\fP, xcb_generic_error_t\ **\fIe\fP); .br .hy 1 .SH REQUEST ARGUMENTS .IP \fIconn\fP 1i The XCB connection to X11. .IP \fImajor_version\fP 1i The major version of the extension. Check that it is compatible with the XCB_DBE_MAJOR_VERSION that your code is compiled with. .IP \fIminor_version\fP 1i The minor version of the extension. Check that it is compatible with the XCB_DBE_MINOR_VERSION that your code is compiled with. .SH REPLY FIELDS .IP \fIresponse_type\fP 1i The type of this reply, in this case \fIXCB_DBE_QUERY_VERSION\fP. This field is also present in the \fIxcb_generic_reply_t\fP and can be used to tell replies apart from each other. .IP \fIsequence\fP 1i The sequence number of the last request processed by the X11 server. .IP \fIlength\fP 1i The length of the reply, in words (a word is 4 bytes). .IP \fImajor_version\fP 1i TODO: NOT YET DOCUMENTED. .IP \fIminor_version\fP 1i TODO: NOT YET DOCUMENTED. .SH DESCRIPTION Queries the version of this extension. You must do this before using any functionality it provides. .SH RETURN VALUE Returns an \fIxcb_dbe_query_version_cookie_t\fP. Errors have to be handled when calling the reply function \fIxcb_dbe_query_version_reply\fP. If you want to handle errors in the event loop instead, use \fIxcb_dbe_query_version_unchecked\fP. See \fBxcb-requests(3)\fP for details. .SH ERRORS This request does never generate any errors. .SH SEE ALSO .BR xcb-requests (3) .SH AUTHOR Generated from dbe.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.