shithub: 9intro

ref: a351bcdccdf5a4273bc8dc3360a48fbb8b8aa9ea
dir: /src/rune.c/

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#include <u.h>
#include <libc.h>
void
main(int, char*[])
{
	char	buf[512];
	char	out[UTFmax];
	Rune	r;
	int	nr, irl, orl;
	char*	s;
	for(;;) {
		nr = read(0, buf, sizeof(buf));
		if (nr <= 0)
			break;
		s = buf;
		while (nr > 0){
			irl = chartorune(&r, s);
			s += irl;
			nr-= irl;
			r = toupperrune(r);
			orl = runetochar(out, &r);
			write(1, out, orl);
		}
	}
	exits(nil);
}