isbinry man page on MirBSD

isbinry man page on MirBSD

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ISBINRY(3)		   BSD Programmer's Manual		    ISBINRY(3)

NAME
     isbinry - binary octet test

SYNOPSIS
     #define _ALL_SOURCE
     #include <ctype.h>

     int
     isbinry(int c);

DESCRIPTION
     The isbinry() macro tests whether its argument is a binary octet, i.e. an
     octet not used in encoding OPTU-8 text or the NUL byte. It is intended to
     be used in ascii-vs-binary tests, e.g. in diff(1), grep(1), or similar
     tools.

RETURN VALUES
     The isbinry() macro returns zero if the character is potentially used in
     encoding OPTU-8 text, non-zero otherwise. If the argument is not in the
     range 0..255, the result is undefined.

SEE ALSO
     isascii(3), utf-8(7)

STANDARDS
     The isbinry() macro is a MirOS extension. A isbinry() function shall be
     provided in libc with the same semantics as the macro.

HISTORY
     isbinry() first appeared in MirOS #10.

MirOS BSD #10-current		August 2, 2008				     1

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