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Index for Section 3 |
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Alphabetical listing for W |
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wctob(3)
NAME
wctob - Converts a wide character to a single byte in multibyte-character
format
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <stdlib.h>
#include <wchar.h>
int wctob(
wint_t wc );
STANDARDS
Interfaces documented on this reference page conform to industry standards
as follows:
wctob(): ISO C
Refer to the standards(5) reference page for more information about
industry standards and associated tags.
PARAMETERS
*wc Points to a variable containing a wide-character value.
DESCRIPTION
The wctob() function determines if a wide-character value constitutes a
valid single-byte character in the initial shift state from a multibyte
codeset. If so, the function returns the corresponding multibyte character.
This function provides a wide-character to multibyte-character format
conversion correctly sized for the %c conversion specifier that is
permitted in calls to *printf() functions. In general, use either the
wctomb() or wcrtomb() function to perform wide-character to multibyte-
character format conversions of single characters.
RETURN VALUES
The wctob() function returns one of the following:
· The counterpart multibyte-character value, if wc can be converted to a
multibyte character that is 1 byte in length and in the initial shift
state
· EOF, if wc does not correspond to a valid multibyte character that is
1 byte in length and in the initial shift state
ERRORS
The wctob() function sets errno to the specified value for the following
conditions:
EILSEQ An invalid character value is encountered.
RELATED INFORMATION
Functions: btowc(3), mblen(3), mbtowc(3), wctomb(3), mbstowcs(3),
wcstombs(3)
Files: locale(4)