hostName : array [0..255] of char;
hostEnt : PHostEnt;
addr : PChar;hostEnt := gethostbyname (hostName);
if Assigned (hostEnt) then
if Assigned (hostEnt^.h_addr_list) then begin
addr := hostEnt^.h_addr_list^;
if Assigned (addr) then begin
IP := Format ('%d.%d.%d.%d', [byte (addr [0]),
byte (addr [1]), byte (addr [2]), byte (addr [3])]);
hostEnt : PHostEnt;
addr : PChar;hostEnt := gethostbyname (hostName);
if Assigned (hostEnt) then
if Assigned (hostEnt^.h_addr_list) then begin
addr := hostEnt^.h_addr_list^;
if Assigned (addr) then begin
IP := Format ('%d.%d.%d.%d', [byte (addr [0]),
byte (addr [1]), byte (addr [2]), byte (addr [3])]);
我测试Kingron给出的用法时,hostEnt老是=nil。
后来我在用gethostbyname(...)之前,加入WSAStartup(...),终于一切OK。
Winsock单元中没有getaddressbyname()