Here is a list of all documented macros with links to the documentation:

- X_PROTOCOL : xcb.h
- X_PROTOCOL_REVISION : xcb.h
- X_TCP_PORT : xcb.h
- XCB_CONN_CLOSED_EXT_NOTSUPPORTED : xcb.h
- XCB_CONN_CLOSED_FDPASSING_FAILED : xcb.h
- XCB_CONN_CLOSED_INVALID_SCREEN : xcb.h
- XCB_CONN_CLOSED_MEM_INSUFFICIENT : xcb.h
- XCB_CONN_CLOSED_PARSE_ERR : xcb.h
- XCB_CONN_CLOSED_REQ_LEN_EXCEED : xcb.h
- XCB_CONN_ERROR : xcb.h
- XCB_COPY_FROM_PARENT : xcb.h
- XCB_CURRENT_TIME : xcb.h
- XCB_NO_SYMBOL : xcb.h
- XCB_NONE : xcb.h