typedef struct {
    W3ADocumentInfo *doc;
    int method;
    int viewer;
    int agent;
    int fd;
    int total;
    Widget w;
    int seqnr;
    int cache_id;
    XtInputId write_id, read_id;
     int  interrupted;
     int  need_event;
     int  toplevel;
    int show_progress;
    int tmpfd;
    char tmpnam[ (sizeof("/usr/tmp/") + 15) ];
     int  in_use;
     int  high_prio;
    int private;
} ViewerInfo;
 ViewerInfo * get_request_rec(void);
  int  free_request_rec(ViewerInfo *v);
 void interrupt_all_request_rec(void);
 ViewerInfo *get_first_request_rec();
 ViewerInfo *get_next_request_rec(ViewerInfo *prev);