Reference C Library IOstream Library Strings library STL Containers STL Algorithms Miscellaneous Miscellaneous complex exception functional iterator limits locale memory new numeric stdexcept typeinfo utility valarray locale has_facet isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit locale tolower toupper use_facet standard facets: codecvt codecvt_base codecvt_byname collate collate_byname ctype ctype_base ctype_byname messages messages_base messages_byname moneypunct moneypunct_byname money_base money_get money_put numpunct numpunct_byname num_get num_put time_base time_get time_get_byname time_put time_put_byname ctype ctype::ctype public member functions: ctype::is ctype::narrow ctype::scan_is ctype::scan_not ctype::tolower ctype::toupper ctype::widen public member types: ctype::char_type ctype::mask protected members: ctype::do_is ctype::do_narrow ctype::do_scan_is ctype::do_scan_not ctype::do_tolower ctype::do_toupper ctype::do_widen ctype::~ctype

ctype::do_tolower virtual protected member function charT do_tolower (charT c) const; const charT* do_tolower (charT* low, const charT* high) const; Convert to lowercase [virtual] Virtual protected member function in charge of converting characters to lowercase, as described in public member function tolower (see ctype::tolower for details). Polymorphic derived classes can redefine the behavior of this function. See also ctype::tolower Convert to lowercase (public member function)

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