#include <u.h>#include <libc.h>#include <bio.h>#include "otf.h" static intotfdiscard(void *aux, void *dst, int sz){	USED(aux, dst);	return sz;} #include "test.h" static intotfseek(void *aux, int off, int whence){	return Bseek(aux, off, whence);} static intotfread(void *aux, void *dst, int sz){	return Bread(aux, dst, sz);} static intotfwrite(void *aux, void *dst, int sz){	return Bwrite(aux, dst, sz);} static voidusage(Otfile *f){	printusage(f);	exits("usage");} voidmain(int argc, char **argv){	char buf[16];	Otfile in, out; 	in.seek = otfseek;	in.read = otfread;	out.print = (void*)Bprint;	out.write = otfwrite;	out.aux = Bfdopen(1, OWRITE);	parseoptions(); 	if(fd2path(1, buf, sizeof(buf)) == 0 && strcmp(buf, "/dev/null") == 0)		out.write = otfdiscard; 	if((in.aux = Bopen(*argv, OREAD)) == nil || process(&in, &out) != 0)		sysfatal("%r");	Bterm(out.aux); 	exits(nil);}