#include <ares.h> int ares_fds(ares_channel channel, fd_set *read_fds, fd_set *write_fds)
The ares_fds function retrieves the set of file descriptors which the calling application should select on for reading and writing for the processing of name service queries pending on the name service channel identified by channel.
File descriptors will be set in the file descriptor sets pointed to by read_fds and write_fds as appropriate. File descriptors already set in read_fds and write_fds will remain set; initialization of the file descriptor sets (using FD_ZERO) is the responsibility of the caller.
Greg Hudson, MIT Information Systems
Copyright 1998 by the Massachusetts Institute of Technology.
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