1xcb_present_query_capabilities(3)XCB Requestsxcb_present_query_capabilities(3)
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NAME

6       xcb_present_query_capabilities -
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SYNOPSIS

9       #include <xcb/present.h>
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11   Request function
12       xcb_present_query_capabilities_cookie_t
13              xcb_present_query_capabilities(xcb_connection_t *conn,
14              uint32_t target);
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16   Reply datastructure
17       typedef struct xcb_present_query_capabilities_reply_t {
18           uint8_t  response_type;
19           uint8_t  pad0;
20           uint16_t sequence;
21           uint32_t length;
22           uint32_t capabilities;
23       } xcb_present_query_capabilities_reply_t;
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25   Reply function
26       xcb_present_query_capabilities_reply_t
27              *xcb_present_query_capabilities_reply(xcb_connection_t *conn,
28              xcb_present_query_capabilities_cookie_t cookie,
29              xcb_generic_error_t **e);
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REQUEST ARGUMENTS

32       conn      The XCB connection to X11.
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34       target    TODO: NOT YET DOCUMENTED.
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REPLY FIELDS

37       response_type
38                 The type of this reply, in this case XCB_PRESENT_QUERY_CAPA‐
39                 BILITIES. This field is also present in the xcb_generic_re‐
40                 ply_t and can be used to tell replies apart from each other.
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42       sequence  The sequence number of the last request processed by the X11
43                 server.
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45       length    The length of the reply, in words (a word is 4 bytes).
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47       capabilities
48                 TODO: NOT YET DOCUMENTED.
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DESCRIPTION

RETURN VALUE

52       Returns an xcb_present_query_capabilities_cookie_t. Errors have to be
53       handled when calling the reply function xcb_present_query_capabili‐
54       ties_reply.
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56       If you want to handle errors in the event loop instead, use
57       xcb_present_query_capabilities_unchecked. See xcb-requests(3) for de‐
58       tails.
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ERRORS

61       This request does never generate any errors.
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SEE ALSO

AUTHOR

65       Generated from present.xml. Contact xcb@lists.freedesktop.org for cor‐
66       rections and improvements.
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70X Version 11                      libxcb 1.13xcb_present_query_capabilities(3)