AnonymousFox

//usr/include/X11/CallbackI.h

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Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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******************************************************************/

/****************************************************************
 *
 * Callbacks
 *
 ****************************************************************/

typedef XrmResource **CallbackTable;

#define _XtCBCalling 1
#define _XtCBFreeAfterCalling 2

_XFUNCPROTOBEGIN

typedef struct internalCallbackRec {
    unsigned short count;
    char	   is_padded;	/* contains NULL padding for external form */
    char	   call_state;  /* combination of _XtCB{FreeAfter}Calling */
#ifdef LONG64
    unsigned int   align_pad;	/* padding to align callback list */
#endif
    /* XtCallbackList */
} InternalCallbackRec, *InternalCallbackList;

typedef Boolean (*_XtConditionProc)(
    XtPointer	/* data */
);

extern void _XtAddCallback(
    InternalCallbackList*	/* callbacks */,
    XtCallbackProc		/* callback */,
    XtPointer 			/* closure */
);

extern void _XtAddCallbackOnce(
    InternalCallbackList*	/* callbacks */,
    XtCallbackProc		/* callback */,
    XtPointer 			/* closure */
);

extern InternalCallbackList _XtCompileCallbackList(
    XtCallbackList		/* xtcallbacks */
);

extern XtCallbackList _XtGetCallbackList(
    InternalCallbackList*	/* callbacks */
);

extern void _XtRemoveAllCallbacks(
    InternalCallbackList*	/* callbacks */
);

extern void _XtRemoveCallback(
    InternalCallbackList*	/* callbacks */,
    XtCallbackProc		/* callback */,
    XtPointer			/* closure */
);

extern void _XtPeekCallback(
    Widget			/* widget */,
    XtCallbackList		/* callbacks */,
    XtCallbackProc *		/* callback */,
    XtPointer *			/* closure */
);

extern void _XtCallConditionalCallbackList(
    Widget			/* widget */,
    XtCallbackList		/* callbacks */,
    XtPointer			/* call_data */,
    _XtConditionProc		/* cond_proc */
);

_XFUNCPROTOEND