Unknown option: "-3" Unix manual page for toascii. (host=minya system=Darwin)
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 strips all but the low 7 bits from a letter,
     including parity or other marker bits.

RETURN VALUES
     The toascii() function always returns a valid ASCII character.

SEE ALSO
     digittoint(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)

BSD                              June 4, 1993                              BSD