Sunday, September 4, 2011

select function file descriptor

select function file descriptor

The second, third, and fourth arguments of the select(2) function call require values of type fd_set, which might be new to you. This is an opaque data type, requiring that it be operated upon with macros provided for the purpose. The following is a synopsis of the macros for your use:


These C macros allow you to manipulate sets of file descriptors.

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