Compilare: user.c: In function 'main': user.c:8: warning: format '%d' expects type 'int *', but argument 2 has type 'long int *' user.c:11: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.c:32: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.c:6: warning: 'c' may be used uninitialized in this function user.c:6: warning: 'b' may be used uninitialized in this function user.c:6: warning: 'a' may be used uninitialized in this function