2 #include </386/include/ureg.h>
12 if(write(fd, &u, sizeof u) < 0)
13 sysfatal("write: %r");
15 if(read(fd, &u, sizeof u) < 0)
18 sysfatal("apm: %lux", (u.ax>>8) & 0xFF);
24 if((fd = open("/dev/apm", ORDWR)) < 0)
25 if((fd = open("#P/apm", ORDWR)) < 0)