NAME

wctob - wide-character to single-byte conversion

SYNOPSIS

#include <stdio.h>
#include <wchar.h>

int wctob(wint_t c);


DESCRIPTION

^[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.

The wctob() function shall determine whether c corresponds to a member of the extended character set whose character representation is a single byte when in the initial shift state.

The behavior of this function shall be affected by the LC_CTYPE category of the current locale.

RETURN VALUE

The wctob() function shall return EOF if c does not correspond to a character with length one in the initial shift state. Otherwise, it shall return the single-byte representation of that character as an unsigned char converted to int.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

btowc() , the Base Definitions volume of IEEE Std 1003.1-2001, <wchar.h>

CHANGE HISTORY

First released in Issue 5. Included for alignment with ISO/IEC 9899:1990/Amendment 1:1995 (E).