scc

 1#include <wchar.h>
 2
 3#undef mbrlen
 4
 5size_t
 6mbrlen(const char *restrict s, size_t n, mbstate_t *restrict ps)
 7{
 8	static mbstate_t st;
 9
10	if (!ps)
11		ps = &st;
12	return mbrtowc(NULL, s, n, ps);
13}