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1 | .\" Copyright (c) 1993 | |
2 | .\" The Regents of the University of California. All rights reserved. | |
3 | .\" | |
4 | .\" Redistribution and use in source and binary forms, with or without | |
5 | .\" modification, are permitted provided that the following conditions | |
6 | .\" are met: | |
7 | .\" 1. Redistributions of source code must retain the above copyright | |
8 | .\" notice, this list of conditions and the following disclaimer. | |
9 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer in the | |
11 | .\" documentation and/or other materials provided with the distribution. | |
12 | .\" 4. Neither the name of the University nor the names of its contributors | |
13 | .\" may be used to endorse or promote products derived from this software | |
14 | .\" without specific prior written permission. | |
15 | .\" | |
16 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
17 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
20 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
21 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
22 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
23 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
24 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
25 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
26 | .\" SUCH DAMAGE. | |
27 | .\" | |
28 | .\" @(#)toascii.3 8.1 (Berkeley) 6/4/93 | |
29 | .\" $FreeBSD: src/lib/libc/locale/toascii.3,v 1.10 2009/09/04 07:44:58 des Exp $ | |
30 | .\" | |
31 | .Dd June 4, 1993 | |
32 | .Dt TOASCII 3 | |
33 | .Os | |
34 | .Sh NAME | |
35 | .Nm toascii | |
36 | .Nd convert a byte to 7-bit ASCII | |
37 | .Sh LIBRARY | |
38 | .Lb libc | |
39 | .Sh SYNOPSIS | |
40 | .In ctype.h | |
41 | .Ft int | |
42 | .Fn toascii "int c" | |
43 | .Sh DESCRIPTION | |
44 | The | |
45 | .Fn toascii | |
46 | function strips all but the low 7 bits from a letter, | |
47 | including parity or other marker bits. | |
48 | .Sh RETURN VALUES | |
49 | The | |
50 | .Fn toascii | |
51 | function always returns a valid ASCII character. | |
52 | .Sh SEE ALSO | |
53 | .Xr digittoint 3 , | |
54 | .Xr isalnum 3 , | |
55 | .Xr isalpha 3 , | |
56 | .Xr isascii 3 , | |
57 | .Xr iscntrl 3 , | |
58 | .Xr isdigit 3 , | |
59 | .Xr isgraph 3 , | |
60 | .Xr islower 3 , | |
61 | .Xr isprint 3 , | |
62 | .Xr ispunct 3 , | |
63 | .Xr isspace 3 , | |
64 | .Xr isupper 3 , | |
65 | .Xr isxdigit 3 , | |
66 | .Xr stdio 3 , | |
67 | .Xr tolower 3 , | |
68 | .Xr toupper 3 , | |
69 | .Xr ascii 7 |