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fd_set

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This structure is used by various Windows Sockets functions and service providers, such as the select function, to place sockets into a set for various purposes. For example, the readfds parameter of the select function can be used for testing a socket for readability.

typedef struct fd_set {
  u_int fd_count;
  SOCKET fd_array[FD_SETSIZE];
} fd_set;

Members

  • fd_count
    Number of sockets in the set.
  • fd_array
    Array of sockets that are in the set.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Winsock2.h.

See Also

select | WSAEventSelect

 Last updated on Saturday, April 10, 2004

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