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34 .TH DPMSQueryExtension __libmansuffix__ __xorgversion__ "X FUNCTIONS"
36 DPMSQueryExtension \- queries the X server to determine the availability
41 \fBcc\fR [ \fIflag\fR \&.\&.\&. ] \fIfile\fR \&.\&.\&. -\fBlXext\fR [ \fIlibrary\fR \&.\&.\&. ]
42 \&#include <X11/extensions/dpms.h>
44 .B Bool DPMSQueryExtension
47 Display \fI*display\fP\^,
49 int \fI*event_base\fP\^,
51 int \fI*error_base\fP\^
58 Specifies the connection to the X server
61 Specifies the return location for the assigned base event
64 Specifies the return location for the assigned base error
69 function queries the X server to determine the availability of the
70 Display Power Management Signaling (DPMS)
71 Extension. If the extension is available, it returns TRUE, and the
75 are set to the base event and error numbers, respectively. Otherwise, the
76 return value is FALSE, and the
87 function returns TRUE if the extension is available,
92 are set to the base event number and base error number for the extension,
98 function returns FALSE if extension is not available, and the values of
104 .BR DPMSGetVersion (__libmansuffix__)