Compilare: user.c: In function ‘main’: user.c:8:1: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d %d",a,b); ^ user.c:8:1: warning: format ‘%d’ expects argument of type ‘int *’, but argument 4 has type ‘int’ [-Wformat=] user.c:8:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",a,b); ^ user.c:8:7: warning: ‘a’ is used uninitialized in this function [-Wuninitialized] user.c:8:7: warning: ‘b’ is used uninitialized in this function [-Wuninitialized]