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- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- struct bgetd
- {
- Biobufhdr* b;
- int eof;
- };
- static int
- Bgetdf(void *vp)
- {
- int c;
- struct bgetd *bg = vp;
- c = Bgetc(bg->b);
- if(c == Beof)
- bg->eof = 1;
- return c;
- }
- int
- Bgetd(Biobufhdr *bp, double *dp)
- {
- double d;
- struct bgetd b;
- b.b = bp;
- b.eof = 0;
- d = charstod(Bgetdf, &b);
- if(b.eof)
- return -1;
- Bungetc(bp);
- *dp = d;
- return 1;
- }
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