Sets this.addr to the IP address in ip_address_str and the port to port.
IP address string
port
a sockaddr pointer to this.addr on success. If ip_address_str does not contain a valid IP address, null is returned and errno set to EINVAL (this error is reported by this wrapper, not the underlying POSIX function).
See Implementation
Sets this.addr to the IP address in ip_address_str and the port to port.