Compilare: user.c: In function 'alloc': user.c:192: warning: suggest parentheses around + or - inside shift user.c:193: warning: suggest parentheses around + or - inside shift user.c: In function 'do_cycle': user.c:210: warning: suggest parentheses around arithmetic in operand of | user.c: In function 'main': user.c:272: warning: too many arguments for format