move msghdr and cmsghdr out of bits/socket.h

[musl.git] / src / ctype / wcswidth.c

#include <wchar.h>

int wcswidth(const wchar_t *wcs, size_t n)
{
        int l=0, k=0;
        for (; n-- && *wcs && (k = wcwidth(*wcs)) >= 0; l+=k, wcs++);
        return (k < 0) ? k : l;
}