Compilare: user.c: In function 'afis': user.c:8: warning: suggest parentheses around assignment used as truth value user.c: In function 'main': user.c:37: warning: format '%d' expects type 'int *', but argument 2 has type 'char *' user.c:37: warning: format '%d' expects type 'int *', but argument 3 has type 'char *' user.c:40: warning: array subscript has type 'char' user.c:40: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char' user.c:69: warning: array subscript has type 'char'