Eroare de compilare: user.c: In function 'citire': user.c:24: warning: implicit declaration of function 'getch' user.c:27: warning: format '%i' expects type 'int *', but argument 3 has type 'long int *' user.c: In function 'main': user.c:109: warning: unused variable 'i' user.c: In function 'destroy': user.c:17: warning: control reaches end of non-void function /tmp/cc6T5JN1.o: In function `citire': user.c:(.text+0x299): undefined reference to `getch' user.c:(.text+0x2b1): undefined reference to `getch' collect2: ld returned 1 exit status