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1 | .\" Copyright (c) 1991 Regents of the University of California. |
2 | .\" All rights reserved. | |
3 | .\" | |
4 | .\" | |
5 | .\" Redistribution and use in source and binary forms, with or without | |
6 | .\" modification, are permitted provided that the following conditions | |
7 | .\" are met: | |
8 | .\" 1. Redistributions of source code must retain the above copyright | |
9 | .\" notice, this list of conditions and the following disclaimer. | |
10 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
11 | .\" notice, this list of conditions and the following disclaimer in the | |
12 | .\" documentation and/or other materials provided with the distribution. | |
13 | .\" 3. All advertising materials mentioning features or use of this software | |
14 | .\" must display the following acknowledgement: | |
15 | .\" This product includes software developed by the University of | |
16 | .\" California, Berkeley and its contributors. | |
17 | .\" 4. Neither the name of the University nor the names of its contributors | |
18 | .\" may be used to endorse or promote products derived from this software | |
19 | .\" without specific prior written permission. | |
20 | .\" | |
21 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | .\" SUCH DAMAGE. | |
32 | .\" | |
33 | .\" @(#)ctype.3 6.5 (Berkeley) 4/19/91 | |
34 | .\" | |
35 | .Dd April 19, 1991 | |
36 | .Dt CTYPE 3 | |
37 | .Os | |
38 | .Sh NAME | |
39 | .Nm isalpha , | |
40 | .Nm isupper , | |
41 | .Nm islower , | |
42 | .Nm isdigit , | |
43 | .Nm isxdigit , | |
44 | .Nm isalnum , | |
45 | .Nm isspace , | |
46 | .Nm ispunct , | |
47 | .Nm isprint , | |
48 | .Nm isgraph , | |
49 | .Nm iscntrl , | |
50 | .Nm isascii , | |
51 | .Nm toupper , | |
52 | .Nm tolower , | |
53 | .Nm toascii | |
54 | .Nd character classification macros | |
55 | .Sh SYNOPSIS | |
56 | .Fd #include <ctype.h> | |
57 | .Fa int c | |
58 | .br | |
59 | .Fn isalpha c | |
60 | .Fn isupper c | |
61 | .Fn islower c | |
62 | .Fn isdigit c | |
63 | .Fn isxdigit c | |
64 | .Fn isalnum c | |
65 | .Fn isspace c | |
66 | .Fn ispunct c | |
67 | .Fn isprint c | |
68 | .Fn isgraph c | |
69 | .Fn iscntrl c | |
70 | .Fn isascii c | |
71 | .Fn toupper c | |
72 | .Fn tolower c | |
73 | .Fn toascii c | |
74 | .Sh DESCRIPTION | |
75 | The above macros perform character tests and conversions on the integer | |
76 | .Ar c . | |
77 | .Pp | |
78 | See the specific manual pages for more information. | |
79 | .Sh SEE ALSO | |
80 | .Xr isalpha 3 , | |
81 | .Xr isupper 3 , | |
82 | .Xr islower 3 , | |
83 | .Xr isdigit 3 , | |
84 | .Xr isxdigit 3 , | |
85 | .Xr isalnum 3 , | |
86 | .Xr isspace 3 , | |
87 | .Xr ispunct 3 , | |
88 | .Xr isprint 3 , | |
89 | .Xr isgraph 3 , | |
90 | .Xr iscntrl 3 , | |
91 | .Xr isascii 3 , | |
92 | .Xr toupper 3 , | |
93 | .Xr tolower 3 , | |
94 | .Xr toascii 3 , | |
95 | .Xr ascii 7 | |
96 | .Sh STANDARDS | |
97 | These functions, except for | |
98 | .Fn toupper , | |
99 | .Fn tolower | |
100 | and | |
101 | .Fn toascii , | |
102 | conform to | |
103 | .St -ansiC . |