BTOWC(3) Linux Programmer's Manual BTOWC(3) NAME btowc - convert single byte to wide character SYNOPSIS #include <wchar.h> wint_t btowc(int c); DESCRIPTION The btowc() function converts c, interpreted as a multibyte sequence of length 1, starting in the initial shift state, to a wide character and returns it. If c is EOF or not a valid multibyte sequence of length 1, the btowc() function returns WEOF. RETURN VALUE The btowc() function returns the wide character converted from the sin- gle byte c. If c is EOF or not a valid multibyte sequence of length 1, it returns WEOF. CONFORMING TO C99, POSIX.1-2001. NOTES The behavior of btowc() depends on the LC_CTYPE category of the current locale. This function should never be used. It does not work for encodings which have state, and unnecessarily treats single bytes differently from multibyte sequences. Use either mbtowc(3) or the thread-safe mbr- towc(3) instead. SEE ALSO mbrtowc(3), mbtowc(3), wctob(3) COLOPHON This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/. GNU 2011-09-22 BTOWC(3)
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