slightly cleaner strlen, also seems to compile to better code

[musl] / src / string / wmemchr.c

#include <string.h>
#include <wchar.h>

wchar_t *wmemchr(const wchar_t *s, wchar_t c, size_t n)
{
        for (; n && *s != c; n--, s++);
        return n ? (wchar_t *)s : 0;
}