Compilare: user.c: In function ‘main’: user.c:23:3: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘char (*)[2000000]’ [-Wformat=] fscanf( fin, "%s%s", &v1, &v2 ); ^ user.c:23:3: warning: format ‘%s’ expects argument of type ‘char *’, but argument 4 has type ‘char (*)[2000000]’ [-Wformat=] user.c:23:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%s%s", &v1, &v2 ); ^