Compilare: user.c: In function 'insert': user.c:176: warning: implicit declaration of function 'malloc' user.c:176: warning: incompatible implicit declaration of built-in function 'malloc' user.c: In function 'Remove': user.c:202: warning: implicit declaration of function 'free' user.c: At top level: user.c:301: warning: return type defaults to 'int' user.c: In function 'main': user.c:308: warning: too few arguments for format user.c:303: warning: unused variable 'c' user.c:302: warning: unused variable 'depl' user.c:302: warning: unused variable 'k' user.c:302: warning: unused variable 'm' user.c:302: warning: unused variable 'x' user.c: In function 'Echilibreaza2': user.c:156: warning: 'h2' is used uninitialized in this function user.c:156: warning: 'h1' is used uninitialized in this function