Eroare de compilare in evaluator: user.c:5: warning: return type of 'main' is not 'int' user.c: In function 'main': user.c:7: error: 'file' undeclared (first use in this function) user.c:7: error: (Each undeclared identifier is reported only once user.c:7: error: for each function it appears in.) user.c:7: error: 'fin' undeclared (first use in this function) user.c:7: error: 'fout' undeclared (first use in this function) user.c:7: warning: left-hand operand of comma expression has no effect user.c:10: error: 'n' undeclared (first use in this function) user.c:11: warning: statement with no effect user.c:11: error: expected ')' before ':' token user.c:14: warning: statement with no effect user.c:14: error: expected ')' before ':' token user.c:17: error: expected ';' before 'div' user.c:32: warning: 'return' with a value, in function returning void user.c:6: warning: unused variable 'a' user.c:33:2: warning: no newline at end of file