--TEST-- Test gethostbyaddr() function : error conditions --FILE-- --EXPECTREGEX-- Testing gethostbyaddr : error conditions -- Testing gethostbyaddr function with Zero arguments -- Warning: gethostbyaddr\(\) expects exactly 1 parameter, 0 given in .* on line \d+ NULL -- Testing gethostbyaddr function with more than expected no. of arguments -- Warning: gethostbyaddr\(\) expects exactly 1 parameter, 2 given in .* on line \d+ NULL -- Testing gethostbyaddr function with invalid addresses -- Warning: gethostbyaddr\(\): Address is not (in a.b.c.d form|a valid IPv4 or IPv6 address) in .* on line \d+ bool\(false\) Warning: gethostbyaddr\(\): Address is not (in a.b.c.d form|a valid IPv4 or IPv6 address) in .* on line \d+ bool\(false\) Warning: gethostbyaddr\(\): Address is not (in a.b.c.d form|a valid IPv4 or IPv6 address) in .* on line \d+ bool\(false\) Done