NAME

btowc — single-byte to wide-character conversion

SYNOPSIS

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

wint_t btowc(int c);

DESCRIPTION

The btowc() function determines whether c constitutes a valid (one-byte) character in the initial shift state.

The behaviour of this function is affected by the LC_CTYPE category of the current locale.

RETURN VALUE

The btowc() function returns WEOF if c has the value EOF or if (unsigned char) c does not constitute a valid (one-byte) character in the initial shift state. Otherwise, it returns the wide-character representation of that character.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

wctob(3) , <wchar.h> .

DERIVATION

Derived from the ISO/IEC 9899/AMD1:1995 (“ISO C90, Amendment 1”) (E).