NAME
toascii —
convert a byte to 7-bit
ASCII
LIBRARY
library “libc”
SYNOPSIS
#include
<ctype.h>
int
toascii(int
c);
DESCRIPTION
Thetoascii()
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.