1 /*
2  * This code was written by Rich Felker in 2010; no copyright is claimed.
3  * This code is in the public domain. Attribution is appreciated but
4  * unnecessary.
5  */
6 
7 #include <wchar.h>
8 
mbrlen(const char * restrict s,size_t n,mbstate_t * restrict st)9 size_t mbrlen(const char *restrict s, size_t n, mbstate_t *restrict st)
10 {
11 	static unsigned internal;
12 	return mbrtowc(0, s, n, st ? st : (mbstate_t *)&internal);
13 }
14