btowc man page on FreeBSD

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BTOWC(3)		 BSD Library Functions Manual		      BTOWC(3)

NAME
     btowc, wctob — convert between wide and single-byte characters

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <wchar.h>

     wint_t
     btowc(int c);

     int
     wctob(wint_t c);

DESCRIPTION
     The btowc() function converts a single-byte character into a correspond‐
     ing wide character.  If the character is EOF or not valid in the initial
     shift state, btowc() returns WEOF.

     The wctob() function converts a wide character into a corresponding sin‐
     gle-byte character.  If the wide character is WEOF or not able to be rep‐
     resented as a single byte in the initial shift state, wctob() returns
     WEOF.

SEE ALSO
     mbrtowc(3), multibyte(3), wcrtomb(3)

STANDARDS
     The btowc() and wctob() functions conform to IEEE Std 1003.1-2001
     (“POSIX.1”).

HISTORY
     The btowc() and wctob() functions first appeared in FreeBSD 5.0.

BSD				August 3, 2002				   BSD
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