18 lines
573 B
Scheme
18 lines
573 B
Scheme
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;;; Flags that control buffering policy.
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;;; Copyright (c) 1993 by Olin Shivers.
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;;; These are for the SET-PORT-BUFFERING procedure, essentially a Scheme
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;;; analog of the setbuf(3S) stdio call. We use the actual stdio values.
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;;; These constants are not likely to change from stdio lib to stdio lib,
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;;; but you need to check when you do a port.
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(define-syntax define-bufpols
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(syntax-rules ()
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((define-bufpols form ...)
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(begin (define-enum-constant "bufpol" . form) ...))))
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(define-bufpols
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(block 0) ; _IOFBF
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(line #o200) ; _IOLBF
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(none 4)) ; _IONBF
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