btowc(3) Library Functions Manual btowc(3) btowc - C (libc, -lc) #include wint_t btowc(int c); btowc() c, 1 , , . c EOF 1, btowc() WEOF. btowc() , c. c EOF 1, WEOF. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |btowc() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. C99, POSIX.1-2001. btowc() LC_CTYPE . . , , , . mbtowc(3) mbrtowc(3). mbrtowc(3), mbtowc(3), wctob(3) () Artyom Kunyov , Azamat Hackimov , Dmitriy Ovchinnikov , Dmitry Bolkhovskikh , ITriskTI , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () . Linux man-pages 6.18 8 2026 . btowc(3)