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	struct linker_file;			struct linker_file;
	struct linker_symval;			struct linker_symval;

	int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);			int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);
	void fbt_patch_tracepoint(fbt_probe_t *, fbt_patchval_t);			void fbt_patch_tracepoint(fbt_probe_t *, fbt_patchval_t);
	int fbt_provide_module_function(struct linker_file *, int,			int fbt_provide_module_function(struct linker_file *, int,
	struct linker_symval , void );			struct linker_symval , void );
				int fbt_excluded(const char *name);

	extern dtrace_provider_id_t fbt_id;			extern dtrace_provider_id_t fbt_id;
	extern fbt_probe_t **fbt_probetab;			extern fbt_probe_t **fbt_probetab;
	extern int fbt_probetab_mask;			extern int fbt_probetab_mask;

	#define FBT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & fbt_probetab_mask)			#define FBT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & fbt_probetab_mask)
	#define FBT_PROBETAB_SIZE 0x8000 /* 32k entries -- 128K total */			#define FBT_PROBETAB_SIZE 0x8000 /* 32k entries -- 128K total */

	#ifdef MALLOC_DECLARE			#ifdef MALLOC_DECLARE
	MALLOC_DECLARE(M_FBT);			MALLOC_DECLARE(M_FBT);
	#endif			#endif

	#endif			#endif