foo.cpp: In function 'int isToT(int)':
foo.cpp:45:2: error: 'ISTOTESULT' was not declared in this scope
foo.cpp:45:13: error: 'id' was not declared in this scope
foo.cpp: In function 'int isOK(int)':
foo.cpp:63:13: error: 'id' was not declared in this scope
foo.cpp: In function 'int main()':
foo.cpp:112:6: error: 'std::istream' has no member named 'close'
foo.cpp:113:7: error: 'std::ostream' has no member named 'close'