What does mov     [edi+68h], eax mean in the following asm code.text:0083FB35       call    esi ; RegisterWindowMessageW.text:0083FB37       push    offset My_Priv8_Msg ; MY_PRIVATE_MSG.text:0083FB3C       mov     [edi+68h], eax
What does mov [edi+68h], eax mean?
disassembly;assembly;winapi
The result of the call to the RegisterWindoMessageW is stored in eax. esi is a pointer and the code is saving the result of the function call to the address pointed to by esi plus offset 68h.