XdbeQueryExtension(3) X FUNCTIONS XdbeQueryExtension(3)

NAME

XdbeQueryExtension - returns the version of DBE supported by the
server.

SYNOPSIS

#include <X11/extensions/Xdbe.h>

Status XdbeQueryExtension(
Display *dpy,
int *major_version_return,
int *minor_version_return)

DESCRIPTION

Sets major_version_return and minor_version_return to the major and
minor DBE protocol version supported by the server. If the DBE
library is compatible with the version returned by the server, this
function returns non-zero. If dpy does not support the DBE
extension, or if there was an error during communication with the
server, or if the server and library protocol versions are
incompatible, this function returns zero. No other Xdbe functions
may be called before this function. If a client violates this rule,
the effects of all subsequent Xdbe calls that it makes are undefined.

SEE ALSO

DBE, XdbeAllocateBackBufferName(), XdbeBeginIdiom(),
XdbeDeallocateBackBufferName(), XdbeEndIdiom(), XdbeFreeVisualInfo(),
XdbeGetBackBufferAttributes(), XdbeGetVisualInfo(),
XdbeSwapBuffers().


X Version 11 libXext 1.3.6 XdbeQueryExtension(3)