towupper(3) Library Functions Manual towupper(3) towupper, towupper_l - Standard C library (libc, -lc) #include wint_t towupper(wint_t wc); wint_t towupper_l(wint_t wc, locale_t locale); glibc (. feature_test_macros(7)): towupper_l(): glibc 2.10: _XOPEN_SOURCE >= 700 glibc 2.10: _GNU_SOURCE towupper() toupper(3). wc , wc . wc . towupper_l() , , locale. towupper_l() , locale LC_GLOBAL_LOCALE ( duplocale(3)) . wc wchar_t WEOF. wc , towupper() ; wc. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |towupper() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ |towupper_l() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ towupper() C11, POSIX.1-2008 (XSI). towupper_l() POSIX.1-2008. towupper() C99, POSIX.1-2001 (XSI). POSIX.1-2008 (XSI). towupper_l() POSIX.1-2008. glibc 2.3. LC_CTYPE . , : , . iswupper(3), towctrans(3), towlower(3), locale(7) () Azamat Hackimov , Dmitry Bolkhovskikh , Yuri Kozlov , Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux man-pages 6.12 23 2024 . towupper(3)