Agilent Technologies E5071C Manual page 1063

E5071C
Public Const SADDRLEN = 16
'Declare Socket functions
Public Declare Function closesocket Lib "wsock32.dll" (ByVal s As Long) As Long
Public Declare Function connect Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr_in, ByVal
namelen As Long) As Long
Public Declare Function htons Lib "wsock32.dll" (ByVal hostshort As Long) As Integer
Public Declare Function inet_addr Lib "wsock32.dll" (ByVal cp As String) As Long
Public Declare Function recv Lib "wsock32.dll" (ByVal s As Long, ByVal buf As Any, ByVal buflen As
Long, ByVal flags As Long) As Long
Public Declare Function recvB Lib "wsock32.dll" Alias "recv" (ByVal s As Long, buf As Any, ByVal buflen
As Long, ByVal flags As Long) As Long
Public Declare Function send Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long,
ByVal flags As Long) As Long
Public Declare Function socket Lib "wsock32.dll" (ByVal af As Long, ByVal socktype As Long, ByVal
protocol As Long) As Long
Public Declare Function WSAStartup Lib "wsock32.dll" (ByVal wVersionRequired As Long, lpWSAData
As WSAData) As Long
Public Declare Function WSACleanup Lib "wsock32.dll" () As Long
Public Declare Function WSAUnhookBlockingHook Lib "wsock32.dll" () As Long
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, hpvSource As
Any, ByVal cbCopy As Long)
The basic control flow with WinSock API is shown in the figure below:
Control flow with WinSock API
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