osx man page for toascii

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