showfile(file)
{
register int i, cnt;
char buf[512];
type(1, "\n");
if((i = open(file, 0)) == -1) {
printf("Can't open %s\n", file);
return 1;
}
do
if((cnt = read(i, buf, sizeof buf)) > 0)
write(1, buf, cnt);
while(cnt == sizeof buf);
close(i);
type(1, "\n");
return 0;
}