Compilare: user.c:4: warning: suggest parentheses around + or - inside shift user.c:4: warning: suggest parentheses around + or - inside shift user.c:6: warning: suggest parentheses around + or - inside shift user.c: In function 'read_data': user.c:12: warning: format '%ld' expects type 'long int *', but argument 2 has type 'int *' user.c:12: warning: format '%ld' expects type 'long int *', but argument 3 has type 'int *' user.c:12: warning: format '%ld' expects type 'long int *', but argument 4 has type 'int *' user.c:18: warning: format '%ld' expects type 'long int *', but argument 2 has type 'int *' user.c:18: warning: format '%ld' expects type 'long int *', but argument 3 has type 'int *' user.c:21: warning: format '%ld' expects type 'long int', but argument 2 has type 'int' user.c:33: warning: format '%ld' expects type 'long int *', but argument 2 has type 'int *' user.c:33: warning: format '%ld' expects type 'long int *', but argument 3 has type 'int *' user.c:33: warning: format '%ld' expects type 'long int *', but argument 4 has type 'int *'