Eroare de compilare: user.c: In function ‘A’: user.c:22:2: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!r->l[*k]) ^ user.c:23:7: warning: array subscript has type ‘char’ [-Wchar-subscripts] r->l[*k]=V(); ^ user.c:24:2: warning: array subscript has type ‘char’ [-Wchar-subscripts] A(r->l[*k++]); ^ user.c: In function ‘main’: user.c:27:116: error: ‘r’ undeclared (first use in this function) freopen("ahocorasick.in","r",stdin),freopen("ahocorasick.out","w",stdout),fgets(e,1000001,stdin),scanf("%d\n",&n),r=V(); ^ user.c:27:116: note: each undeclared identifier is reported only once for each function it appears in user.c:34:57: warning: left-hand operand of comma expression has no effect [-Wunused-value] t->l[i]->x=(s->l[i]&&s->l[i]!=t->l[i]?s->l[i]:r),c[u++]=t->l[i]; ^ user.c:36:9: warning: left-hand operand of comma expression has no effect [-Wunused-value] for(q=r,i=0;e[i];i++) { ^