28 Text processing library [text]

28.3 Localization library [localization]

28.3.4 Standard locale categories [locale.categories]

28.3.4.2 The ctype category [category.ctype]

28.3.4.2.2 Class template ctype [locale.ctype]

28.3.4.2.2.2 ctype members [locale.ctype.members]

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bool is(mask m, charT c) const; const charT* is(const charT* low, const charT* high, mask* vec) const;
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Returns: do_is(m, c) or do_is(low, high, vec).
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const charT* scan_is(mask m, const charT* low, const charT* high) const;
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Returns: do_scan_is(m, low, high).
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const charT* scan_not(mask m, const charT* low, const charT* high) const;
3
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Returns: do_scan_not(m, low, high).
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charT toupper(charT c) const; const charT* toupper(charT* low, const charT* high) const;
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Returns: do_toupper(c) or do_toupper(low, high).
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charT tolower(charT c) const; const charT* tolower(charT* low, const charT* high) const;
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Returns: do_tolower(c) or do_tolower(low, high).
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charT widen(char c) const; const char* widen(const char* low, const char* high, charT* to) const;
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Returns: do_widen(c) or do_widen(low, high, to).
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char narrow(charT c, char dfault) const; const charT* narrow(const charT* low, const charT* high, char dfault, char* to) const;
7
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Returns: do_narrow(c, dfault) or do_narrow(low, high, dfault, to).