Standard C Libraries
mblen
Description:
Include:
Prototype:
Gets the length of a multibyte character. (See Remarks.)
<stdlib.h>
int mblen(const char * s , size_t n );
Arguments:
s
n
points to the multibyte character
number of bytes to check
Return Value:
Remarks:
Returns zero if s points to a null character; otherwise, returns 1.
The 16-bit compiler does not support multibyte characters with length
greater than 1 byte.
mbstowcs
Description:
Include:
Prototype:
Converts a multibyte string to a wide character string. (See Remarks.)
<stdlib.h>
size_t mbstowcs(wchar_t * wcs , const char * s ,
size_t n );
Arguments:
wcs
s
n
points to the wide character string
points to the multibyte string
the number of wide characters to convert.
Return Value:
Remarks:
Returns the number of wide characters stored excluding the null char-
acter.
mbstowcs converts n number of wide characters unless it encounters
a null wide character first. The 16-bit compiler does not support
multibyte characters with length greater than 1 byte.
mbtowc
Description:
Include:
Prototype:
Converts a multibyte character to a wide character. (See Remarks.)
<stdlib.h>
int mbtowc(wchar_t * pwc , const char * s , size_t n );
Arguments:
pwc
s
n
points to the wide character
points to the multibyte character
number of bytes to check
Return Value:
Remarks:
? 2008 Microchip Technology Inc.
Returns zero if s points to a null character; otherwise, returns 1
The resulting wide character will be stored at pwc . The 16-bit compiler
does not support multibyte characters with length greater than 1 byte.
DS51456E-page 105
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