Eroare de compilare: user.c:3:19: error: conio.h: No such file or directory user.c: In function 'read_m': user.c:29: warning: implicit declaration of function 'close' user.c: In function 'main': user.c:133: warning: implicit declaration of function 'getch' user.c:134: warning: control reaches end of non-void function user.c: In function 'get_size_romb': user.c:89: warning: control reaches end of non-void function