View Compilation Error

1056177_0_0_5300.cpp:80: error: expected unqualified-id before '--' token
1056177_0_0_5300.cpp:80: error: expected `,' or `;' before '--' token
1056177_0_0_5300.cpp: In function `int main(int, char**)':
1056177_0_0_5300.cpp:144: error: declaration of C function `int main(int, char**)' conflicts with
1056177_0_0_5300.cpp:14: error: previous declaration `int main()' here
1056177_0_0_5300.cpp: In function `int main(int, char**)':
1056177_0_0_5300.cpp:186: error: `isoperator' undeclared (first use this function)
1056177_0_0_5300.cpp:186: error: (Each undeclared identifier is reported only once for each function it appears in.)