Compilare: user.c: In function ‘main’: user.c:6:15: warning: variable ‘s’ set but not used [-Wunused-but-set-variable] int nrc,k,s,i,j; nrc=0; c[0]=fgetc(fin); s=1; ^ user.c:10:24: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] k=0; while(k<nrc&&i<=j){ ^ user.c:10:24: warning: ‘i’ may be used uninitialized in this function [-Wmaybe-uninitialized]