ares_set_sortlist - Initialize an ares_channel_t *sortlist configuration
#include <ares.h> int ares_set_sortlist(ares_channel_t *channel, const char *sortstr)
The ares_set_sortlist function initializes an address sortlist configuration for the channel data identified by channel, so that addresses returned by ares_gethostbyname are sorted according to the sortlist. The provided sortstr string that holds a space separated list of IP-address-netmask pairs. The netmask is optional but follows the address after a slash if present. For example, "130.155.160.0/255.255.240.0 130.155.0.0".
This function replaces any potentially previously configured address sortlist with the ones given in the configuration string.
ares_set_sortlist may return any of the following values:
ARES_SUCCESS The sortlist configuration was successfully initialized.
ARES_ENOMEM The process's available memory was exhausted.
ARES_ENODATA The channel data identified by channel was invalid.
ARES_ENOTINITIALIZED c-ares library initialization not yet performed.
ares_init_options(3), ares_dup(3)
ares_set_sortlist(3) was added in c-ares 1.11.0
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