/* 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: */