Add comments to some similar functions

>>>>>>Add comments to some similar name functions<<<<<<<<
CheckTstatOnline2 and CheckTstatOnline

Open_Socket and Open_Socket2

Read_One and Read_One2

Write_One and Write_One2

read_multi and read_multi2

NetController_CheckTstatOnline and NetController_CheckTstatOnline2

NetController_CheckTstatOnline_a and NetController_CheckTstatOnline2_a

CheckTstatOnline2_a and CheckTstatOnline_a