Eroare de compilare: user.c: In function ‘prelsol’: user.c:35:5: warning: implicit declaration of function ‘itoa’ [-Wimplicit-function-declaration] { itoa(x[i],sir,10); ^ user.c: In function ‘main’: user.c:59:16: warning: ‘dc’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nr,i,j,dc; ^ user.c:61:12: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] { cit(nr);//f>>nr; ^ /tmp/cc39dYGx.o: In function `prelsol': user.c:(.text+0x1bc): undefined reference to `itoa' user.c:(.text+0x237): undefined reference to `itoa' collect2: error: ld returned 1 exit status