ref: 9b355acf495a70ce2767ffae671fe2ae22521a2e
dir: /src/libc/wchar/wcwidth.c/
#include <wchar.h>
#undef wcwidth
/* incomplete, needs a real implementation */
int
wcwidth(wchar_t wc)
{
if (!wc)
return 0;
else if (wc < 32 || wc >= 127)
return -1;
return 1;
}