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#include <u.h>
#include <libc.h>
#include <bio.h>
typedef struct
{
double x, y, z;
} Vec;
void
usage(void)
{
fprint(2, "usage: %s [file]\n", argv0);
exits("usage");
}
void
main(int argc, char *argv[])
{
Biobuf *bin;
Vec v;
int fd, r;
fd = 0;
ARGBEGIN{
default: usage();
}ARGEND;
if(argc > 1)
usage();
else if(argc == 1){
fd = open(argv[0], OREAD);
if(fd < 0)
sysfatal("open: %r");
}
bin = Bfdopen(fd, OREAD);
if(bin == nil)
sysfatal("Bfdopen: %r");
r = Bgetd(bin, &v.x);
print("got %g r=%d\n", v.x, r);
r = Bgetd(bin, &v.y);
print("got %g r=%d\n", v.y, r);
r = Bgetd(bin, &v.z);
print("got %g r=%d\n", v.z, r);
Bterm(bin);
exits(0);
}
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