/* mbx.h 1.2 */ /* Copyright 1992, 1993 O'Reilly and Associates, Inc. Permission to use, copy, and modify this program is hereby granted, as long as this copyright notice appears in each copy of the program source code. */ #include #if NeedFunctionPrototypes extern int ora_create_mbx_buffers( Display* /* IN: display */, Window /* IN: window */, int /* IN: number of buffers */, Multibuffer* /* OUT: buffers */ ); #endif int ora_create_mbx_buffers( dpy, window, num_buffers, buffers ) Display *dpy; Window window; int num_buffers; Multibuffer *buffers; { int first_event, first_error, num; if ( !XmbufQueryExtension( dpy, &first_event, &first_error ) ) { fprintf( stderr, "No multi-buffer extension on %s\n", XDisplayString( dpy ) ); return 0; } num = XmbufCreateBuffers( dpy, window, num_buffers, MultibufferUpdateActionBackground, MultibufferUpdateHintFrequent, buffers ); if ( num != num_buffers ) { fprintf( stderr, "Can't create %d buffers\n", num_buffers ); if ( num > 0 ) XmbufDestroyBuffers( dpy, window ); return 0; } return num; }