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#if 0
#include <stdlib.h>
/** convert wide character string to multibyte string **/
errno_t wcstombs_s(size_t * restrict retval, char * restrict dst, rsize_t dstmax, const wchar_t * restrict src, rsize_t len)
{
__C_EXT(1, 201112L);
/* TODO */
return 0;
}
/***
The fn(wcstombs) function converts the wide character string arg(pwcs) to a
multibyte string, which is stored at arg(s), beginning in the initial shift
state. No more than arg(n) bytes are written to arg(s). Conversion stops
after reaching a null wide character, which is converted and stored.
***/
/* UNSPECIFIED: - */
/* UNDEFINED: the memory regions of arg(s) and arg(pwcs) overlap */
/* IMPLEMENTATION: - */
/* LOCALE: LC_CTYPE */
/* RETURN(-1): a code was encountered which does not correspond to a valid multibyte character */
/* RETURN: the number of bytes modified, not counting any terminating null */
/*
CEXT1(201112)
*/
#endif
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