XGetExtensionVersion(3X11) |
X FUNCTIONS |
XGetExtensionVersion(3X11) |
NAME
XGetExtensionVersion - query the version of the input extension.
SYNTAX
XExtensionVersion *XGetExtensionVersion(Display *display, char * name);
ARGUMENTS
-
display
-
Specifies the connection to the X server.
-
name
-
Specifies the extension to be queried. The input extension name is defined in the header file XI.h.
DESCRIPTION
The
XGetExtensionVersion request queries the version of the input extension, and returns an
XExtensionVersion structure. This structure contains a major_version and minor_version number which can be compared with constants defined in
XI.h. Support for additional protocol requests added to the input extension after its initial release is indicated by a version number corresponding to the added requests. Each version contains all the protocol requests contained by previous versions.
You should use XFree to free the XExtensionVersion structure.
STRUCTURES
This request returns an XExtensionVersion structure. typedef struct {
int present;
short major_version;
short minor_version; } XExtensionVersion;
DIAGNOSTICS
none
SEE ALSO
Programming With Xlib