The WSPStartup function initiates use of a Windows Sockets service provider interface (SPI) by a client.

More info on WSPStartup in Windows Dev Center

Exported by

sizefilenameversion
326144mswsock.dll6.1.7601.17514 (win7sp1_rtm.101119-1850)
814080B1BFD73F0A4BC29C8F54F574AFD350B1F41D814C441212288085A819B0C0CFBE.bin