HelenOS sources

putwchar          100 common/include/wchar.h wint_t putwchar(wchar_t);
putwchar          100 kernel/generic/common/include/wchar.h wint_t putwchar(wchar_t);
putwchar          100 uspace/lib/c/common/include/wchar.h wint_t putwchar(wchar_t);
putwchar          125 uspace/lib/c/include/stdio.h extern wint_t putwchar(wchar_t);
putwchar          100 uspace/lib/posix/include/common/wchar.h wint_t putwchar(wchar_t);
putwchar          125 uspace/lib/posix/include/libc/stdio.h extern wint_t putwchar(wchar_t);