xref: /netbsd/lib/libc/gen/toascii.3 (revision bf9ec67e)
1.\"	$NetBSD: toascii.3,v 1.6 2002/02/07 07:00:18 ross Exp $
2.\"
3.\" Copyright (c) 1993
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34.\"	@(#)toascii.3	8.1 (Berkeley) 6/4/93
35.\"
36.Dd June 4, 1993
37.Dt TOASCII 3
38.Os
39.Sh NAME
40.Nm toascii
41.Nd convert a byte to 7-bit ASCII
42.Sh LIBRARY
43.Lb libc
44.Sh SYNOPSIS
45.Fd #include \*[Lt]ctype.h\*[Gt]
46.Ft int
47.Fn toascii "int c"
48.Sh DESCRIPTION
49The
50.Fn toascii
51function strips all but the low 7 bits from a letter,
52including parity or other marker bits.
53.Sh RETURN VALUES
54The
55.Fn toascii
56function always returns a valid ASCII character.
57.Sh SEE ALSO
58.Xr isalnum 3 ,
59.Xr isalpha 3 ,
60.Xr isascii 3 ,
61.Xr iscntrl 3 ,
62.Xr isdigit 3 ,
63.Xr isgraph 3 ,
64.Xr islower 3 ,
65.Xr isprint 3 ,
66.Xr ispunct 3 ,
67.Xr isspace 3 ,
68.Xr isupper 3 ,
69.Xr isxdigit 3 ,
70.Xr stdio 3 ,
71.Xr tolower 3 ,
72.Xr toupper 3 ,
73.Xr ascii 7
74.Sh STANDARDS
75The
76.Fn isascii
77function conforms to
78.St -xpg4 .
79