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NetBSD 6.1.5 - man page for toascii (netbsd section 3)

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TOASCII(3)			   BSD Library Functions Manual 		       TOASCII(3)

NAME
     toascii -- convert a byte to 7-bit ASCII

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     toascii(int c);

DESCRIPTION
     The toascii() function returns the argument with all but the lower 7 bits cleared.

RETURN VALUES
     The toascii() function always returns a valid ASCII character.  The result is a non-negative
     integer in the range from 0 to 127, inclusive.

SEE ALSO
     ctype(3), isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3),
     islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3), stdio(3),
     tolower(3), toupper(3), ascii(7)

STANDARDS
     The toascii() function conforms to X/Open Portability Guide Issue 4 (``XPG4'') and IEEE Std
     1003.1-2001 (``POSIX.1'').  The IEEE Std 1003.1-2008 (``POSIX.1'') revision however marked
     it as obsolete, noting that toascii() cannot be used portably in a localized application.

BSD					  April 30, 2010				      BSD
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