INT 61 - Banyan VINES - CLOSE SOCKET AX = 000Fh subfn 0004h CX:BX -> request block (see #03449) DX = application's data segment (should be = CX) ES = DS Return: AX = status 0000h successful 00A5h resource not available Desc: Closes a socket identified by its socket handle Format of request block: Offset Size Description (Table 03449) 00h WORD 0004h 02h WORD magic number (FEFEh) 04h WORD buffer for return code (set to 0 before calling) 06h WORD reserved (will be set to client DS) 08h WORD reserved (obviously not used; set to 0 before calling) 0Ah DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. far pointer to socket handle (2 bytes) 0Eh WORD process handle (see AX=000Fh/SF=0008h)