Eroare de compilare: user.c: In function ‘init’: user.c:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c: In function ‘calc’: user.c:24: error: expected expression before ‘]’ token user.c: In function ‘query’: user.c:34: error: redeclaration of ‘max’ with no linkage user.c:32: note: previous declaration of ‘max’ was here user.c: In function ‘main’: user.c:49: warning: implicit declaration of function ‘freeopen’ user.c:53: error: ‘max’ undeclared (first use in this function) user.c:53: error: (Each undeclared identifier is reported only once user.c:53: error: for each function it appears in.)