Compilare: user.c: In function ‘alocare’: user.c:50:4: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] m = (int***)malloc(etaje*sizeof(int**)); ^ user.c:50:16: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] m = (int***)malloc(etaje*sizeof(int**)); ^ user.c: In function ‘main’: user.c:71:20: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] vec = (int*)malloc(100*sizeof(int)); ^