mbstowcs man page on Ultrix

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mbstowcs(3int)							mbstowcs(3int)

Name
       mbstowcs	 - converts a sequence of multibyte characters into a sequence
       of characters of type wchar_t.

Syntax
       #include <stdlib.h>)

       size_t mbstowcs (pwcs, s, n)
       wchar_t *pwcs;
       const char *s;
       size_t n;

Arguments
       pwcs    The pwcs argument is a pointer to the resulting wide  character
	       string.

       s       The  s  argument	 is  a	pointer	 to  the  multibyte  character
	       sequence.

       n       The n argument is the maximum number of resulting wide  charac‐
	       ters stored in pwcs.

Description
       The function converts a sequence of multibyte characters from the array
       pointed to by s into a sequence of  characters  of  type	 wchar_t,  and
       stores not more than n characters into the array pointed to by pwcs. No
       multibyte characters that follow a null character (which	 is  converted
       into  a code with value zero) are examined or converted. No more than n
       elements are modified in the array pointed to by pwcs.	This  function
       is affected by the LC_CTYPE category of the current locale.

Return Values
       If  an invalid multibyte character is encountered, the function returns
       (size_t) -1.  Otherwise, the function returns the number of array  ele‐
       ments modified, not including a terminating null character, if any. The
       array will not be null-terminated if the value returned is n.

See Also
       mblen(3int),	mbtowc(3int),	   setlocale(3int),	 wctomb(3int),
       wcstombs(3int)

								mbstowcs(3int)
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