upgrade version to 1.0.48

upgrade version to 1.0.47

upgrade version to 1.0.45

fc_timedwait_ms must call get_current_time_ms()

upgrade version to 1.43

upgrade version to 1.0.42

add function local_host_ip_addrs_to_string

multi_socket_client: fix timeout check

sockopt.c: add global variable try_again_when_interrupt

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