build error on macOS

[JayiceZ]

run make all

it shows like: co_hook_sys_call.cpp:942:42: error: too few arguments to function call, expected 6, have 1 return g_sys_gethostbyname_r_func( name ); ~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ 1 error generated. make: *** [co_hook_sys_call.o] Error 1