ref: 4c2f877eee5fe2730a7e51fc01861b7169bbbd47
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; }