mbrtowc
mbrtowc(wchar_t *_RESTRICT_KYWD pwc, const char *_RESTRICT_KYWD s,
#undef mbrtowc
#define mbrtowc(pwc, s, n, ps) m_sb_mbtowc(pwc, s, n)
#define mbrtowc(p, w, n, s) mbtowc(p, w, n)
mbrtowc(wchar_t *wc, const char *mb, size_t n, mbstate_t *ps)
#undef mbrtowc
#define mbrtowc(wc, mb, n, state) mbtowc(wc, mb, n)