ref: 87160cbfcf926fd0a9f04e8113a16c2a0c7e252d dir: /sys/src/boot/zynq/dat.h/
enum { DHCPTIMEOUT = 2000, ARPTIMEOUT = 1000, TFTPTIMEOUT = 10000, TZERO = 0x80000, CONFSIZE = 65536, CONF = TZERO - CONFSIZE, }; #define nelem(x) (sizeof(x)/sizeof(*(x)))