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/* struct::queue - critcl - layer 1 declarations
* (a) Data structures.
*/
#ifndef _DS_H
#define _DS_H 1
#include "tclpre9compat.h"
/* Forward declarations of references to queues.
*/
typedef struct Q* QPtr;
/* Queue structure
*/
typedef struct Q {
Tcl_Command cmd; /* Token of the object command managing the queue */
Tcl_Obj* unget; /* List object holding unget elements */
Tcl_Obj* queue; /* List object holding the main queue */
Tcl_Obj* append; /* List object holding new elements */
Tcl_Size at; /* Index of next element to return from main queue */
} Q;
#endif /* _DS_H */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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