Compilare: user.c: In function ‘main’: user.c:42: warning: format ‘%d’ expects type ‘int *’, but argument 3 has type ‘char *’ user.c:47: warning: array subscript has type ‘char’ user.c:52: warning: array subscript has type ‘char’ user.c:53: warning: array subscript has type ‘char’ user.c:30: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:37: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:42: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result