Eroare de compilare: user.c: In function 'main': user.c:24: error: 'FIlE' undeclared (first use in this function) user.c:24: error: (Each undeclared identifier is reported only once user.c:24: error: for each function it appears in.) user.c:24: error: 'fin' undeclared (first use in this function) user.c:24: error: 'fout' undeclared (first use in this function) user.c:24: warning: left-hand operand of comma expression has no effect user.c:33: error: 'for' loop initial declaration used outside C99 mode user.c:35: error: 'for' loop initial declaration used outside C99 mode