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45 .\" Copyright 2014 Garrett D'Amore <garrett@damore.org>
47 .TH ISWCTYPE 3C "Jul 26, 2014"
49 iswctype \- test character for specified class
55 \fBint\fR \fBiswctype\fR(\fBwint_t\fR \fIwc\fR, \fBwctype_t\fR \fIcharclass\fR);
59 \fBint\fR \fBiswctype\fR(\fBwint_t\fR \fIwc\fR, \fBwctype_t\fR \fIcharclass\fR, \fBlocale_t\fR \fIloc\fR);
68 functions determine whether the wide-character code
70 is a member of the character class
76 These functions are defined on
78 and wide-character codes corresponding to the valid character encodings in the
85 argument is not in the domain of the function,
86 the result is undefined. If the value of
89 not obtained by a call to
91 or obtained from a different locale), the result is indeterminate.
95 operates in the current locale,
97 operates in the locale specified with
101 These functions return
109 There are twelve strings that are reserved for the standard character classes:
113 "alnum" "alpha" "blank"
115 "cntrl" "digit" "graph"
117 "lower" "print" "punct"
119 "space" "upper" "xdigit"
123 In the table below, the functions in the left column are equivalent to the
124 functions in the right column.
128 \fBiswalnum\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("alnum"))
129 \fBiswalpha\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("alpha"))
130 \fBiswcntrl\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("cntrl"))
131 \fBiswdigit\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("digit"))
132 \fBiswgraph\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("graph"))
133 \fBiswlower\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("lower"))
134 \fBiswprint\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("print"))
135 \fBiswpunct\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("punct"))
136 \fBiswspace\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("space"))
137 \fBiswupper\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("upper"))
138 \fBiswxdigit\fR(\fIwc\fR) \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("xdigit"))
144 \fBiswctype\fR(\fIwc\fR, \fBwctype\fR("blank"))
146 does not have an equivalent \fBisw*(\|)\fR function.
151 for descriptions of the following attributes:
156 ATTRIBUTE TYPE ATTRIBUTE VALUE
160 Interface Stability Standard