about send chat with sockets

char* str = "String goes here!";

_asm {
push 0x401
mov ecx, ECXAddr
call[callAddr]
mov ecx, eax
add ecx, 8
mov eax, str
push eax
call[SendTextPacket]
}
It works normally on x86, I need the latest address and source code on CFPH X64 please

so how to work it?