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#include "lib9.h"
#include <bio.h>
static int
_Bfmtflush(Fmt *f)
{
Biobuf *b;
b = f->farg;
b->ocount = f->to - f->stop;
if(Bflush(b) < 0)
return 0;
f->to = b->ebuf+b->ocount;
return 1;
}
int
Bfmtinit(Fmt *f, Biobuf *b)
{
if(b->state != Bwactive)
return -1;
memset(f, 0, sizeof *f);
f->farg = b;
f->start = b->bbuf;
f->to = b->ebuf+b->ocount;
f->stop = b->ebuf;
f->flush = _Bfmtflush;
return 0;
}
int
Bfmtflush(Fmt *f)
{
if(_Bfmtflush(f) <= 0)
return -1;
return f->nfmt;
}
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