#pragma prototyped
#ifndef _SFDISC_H
#define _SFDISC_H
#include <ast.h>
#define SFDCEVENT(a,b,n) ((((a)-'A'+1)<<11)^(((b)-'A'+1)<<6)^(n))
#if _BLD_ast && defined(__EXPORT__)
#define extern __EXPORT__
#endif
#define SFSK_DISCARD SFDCEVENT('S','K',1)
typedef int (*Sf_key_lookup_t)(void*, Sffmt_t*, const char*, char**, Sflong_t*);
typedef char* (*Sf_key_convert_t)(void*, Sffmt_t*, const char*, char*, Sflong_t);
extern int sfkeyprintf(Sfio_t*, void*, const char*, Sf_key_lookup_t, Sf_key_convert_t);
#define sfkeyprintf sfkeyprintf_20000308
extern int sfkeyprintf(Sfio_t*, void*, const char*, Sf_key_lookup_t, Sf_key_convert_t);
extern int sfdcdio(Sfio_t*, size_t);
extern int sfdcdos(Sfio_t*);
extern int sfdcfilter(Sfio_t*, const char*);
extern int sfdcmore(Sfio_t*, const char*, int, int);
extern int sfdcprefix(Sfio_t*, const char*);
extern int sfdcseekable(Sfio_t*);
extern int sfdcslow(Sfio_t*);
extern int sfdctee(Sfio_t*, Sfio_t*);
extern int sfdcunion(Sfio_t*, Sfio_t**, int);
extern Sfio_t* sfdcsubstream(Sfio_t*, Sfio_t*, Sfoff_t, Sfoff_t);
#undef extern
#endif