HelenOS sources

do_tolower        109 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(c);
do_tolower        114 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(low, high);
do_tolower        300 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(c);
do_tolower        305 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(low, high);
do_tolower        484 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(c);
do_tolower        489 uspace/lib/cpp/include/__bits/locale/ctype.hpp                 return do_tolower(low, high);