0_0_37831769_27618.cpp: In function 'bool isconnect()': 0_0_37831769_27618.cpp:53:6: error: redefinition of 'bool isconnect()' bool isconnect() { ^ 0_0_37831769_27618.cpp:44:6: note: 'bool isconnect()' previously defined here bool isconnect() { ^