HelenOS sources

toupper           117 common/stdc/ctype.c int toupper(int c)
toupper           117 kernel/generic/common/stdc/ctype.c int toupper(int c)
toupper           117 uspace/lib/c/common/stdc/ctype.c int toupper(int c)
toupper            97 uspace/lib/cpp/include/__bits/locale/ctype.hpp             char_type toupper(char_type c) const
toupper           102 uspace/lib/cpp/include/__bits/locale/ctype.hpp             const char_type* toupper(char_type* low, const char_type* high) const
toupper           288 uspace/lib/cpp/include/__bits/locale/ctype.hpp             char_type toupper(char_type c) const
toupper           293 uspace/lib/cpp/include/__bits/locale/ctype.hpp             const char_type* toupper(char_type* low, const char_type* high) const
toupper           472 uspace/lib/cpp/include/__bits/locale/ctype.hpp             char_type toupper(char_type c) const
toupper           477 uspace/lib/cpp/include/__bits/locale/ctype.hpp             const char_type* toupper(char_type* low, const char_type* high) const
toupper           141 uspace/lib/cpp/include/__bits/locale/locale_misc.hpp     Char toupper(Char c, const locale& loc)