1.\" Copyright (c) 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 16 unchanged lines hidden (view full) ---
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)isalnum.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/locale/isalnum.3 232935 2012-03-13 20:02:41Z theraven $
34.\"
35.Dd July 17, 2005
36.Dt ISALNUM 3
37.Os
38.Sh NAME
39.Nm isalnum
40.Nd alphanumeric character test
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.In ctype.h
45.Ft int
46.Fn isalnum "int c"
47.Ft int
48.Fn isalnum_l "int c" "locale_t loc"
49.Sh DESCRIPTION
50The
51.Fn isalnum
52function tests for any character for which
53.Xr isalpha 3
54or
55.Xr isdigit 3
56is true.
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71.It "\&125\ ``U'' \t126\ ``V'' \t127\ ``W'' \t130\ ``X'' \t131\ ``Y''"
72.It "\&132\ ``Z'' \t141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d''"
73.It "\&145\ ``e'' \t146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i''"
74.It "\&152\ ``j'' \t153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n''"
75.It "\&157\ ``o'' \t160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s''"
76.It "\&164\ ``t'' \t165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x''"
77.It "\&171\ ``y'' \t172\ ``z''"
78.El
79.Pp
80The
81.Fn isalnum_l
82function takes an explicit locale argument, whereas the
83.Fn isalnum
84function uses the current global or per-thread locale.
85.Sh RETURN VALUES
86The
87.Fn isalnum
88function returns zero if the character tests false and
89returns non-zero if the character tests true.
90.Sh COMPATIBILITY
91The
92.Bx 4.4
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97The
98.Fn iswalnum
99function should be used instead.
100.Sh SEE ALSO
101.Xr ctype 3 ,
102.Xr isalpha 3 ,
103.Xr isdigit 3 ,
104.Xr iswalnum 3 ,
105.Xr xlocale 3 ,
106.Xr ascii 7
107.Sh STANDARDS
108The
109.Fn isalnum
110function conforms to
111.St -isoC .
112The
113.Fn isalnum_l
114function conforms to
115.St -p1003.1-2008 .
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 16 unchanged lines hidden (view full) ---
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)isalnum.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/locale/isalnum.3 232935 2012-03-13 20:02:41Z theraven $
34.\"
35.Dd July 17, 2005
36.Dt ISALNUM 3
37.Os
38.Sh NAME
39.Nm isalnum
40.Nd alphanumeric character test
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.In ctype.h
45.Ft int
46.Fn isalnum "int c"
47.Ft int
48.Fn isalnum_l "int c" "locale_t loc"
49.Sh DESCRIPTION
50The
51.Fn isalnum
52function tests for any character for which
53.Xr isalpha 3
54or
55.Xr isdigit 3
56is true.
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71.It "\&125\ ``U'' \t126\ ``V'' \t127\ ``W'' \t130\ ``X'' \t131\ ``Y''"
72.It "\&132\ ``Z'' \t141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d''"
73.It "\&145\ ``e'' \t146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i''"
74.It "\&152\ ``j'' \t153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n''"
75.It "\&157\ ``o'' \t160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s''"
76.It "\&164\ ``t'' \t165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x''"
77.It "\&171\ ``y'' \t172\ ``z''"
78.El
79.Pp
80The
81.Fn isalnum_l
82function takes an explicit locale argument, whereas the
83.Fn isalnum
84function uses the current global or per-thread locale.
85.Sh RETURN VALUES
86The
87.Fn isalnum
88function returns zero if the character tests false and
89returns non-zero if the character tests true.
90.Sh COMPATIBILITY
91The
92.Bx 4.4
--- 4 unchanged lines hidden (view full) ---
97The
98.Fn iswalnum
99function should be used instead.
100.Sh SEE ALSO
101.Xr ctype 3 ,
102.Xr isalpha 3 ,
103.Xr isdigit 3 ,
104.Xr iswalnum 3 ,
105.Xr xlocale 3 ,
106.Xr ascii 7
107.Sh STANDARDS
108The
109.Fn isalnum
110function conforms to
111.St -isoC .
112The
113.Fn isalnum_l
114function conforms to
115.St -p1003.1-2008 .