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#include <stdlib.h>
size_t mbstowcs(wchar_t *pwcs,
const char *s,
size_t n);
size_t wcstombs(char *s,
const wchar_t *pwcs,
size_t n);
wcstombs() converts a sequence of wide character codes from the array pointed to by pwcs into a sequence of multibyte characters and stores these multibyte characters into the array pointed to by s, stopping if a multibyte character would exceed the limit of n total bytes or if a null character is stored. If a wide character code is encountered that does not correspond to a valid multibyte character, wcstombs() returns (size_t) -1; otherwise, wcstombs() returns the number of bytes modified, not including a terminating null character, if any. If s is a null pointer, wcstombs() returns the number of bytes required for the character array.
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Created by unroff & hp-tools. © by Hans-Peter Bischof. All Rights Reserved (1997).
Last modified 21/April/97