Compilare: main.c: In function 'AddTrie': main.c:27:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(!p->poz[cuv[i]]) { ^ main.c:28:19: warning: array subscript has type 'char' [-Wchar-subscripts] p->poz[cuv[i]] = 1; ^ main.c:29:20: warning: array subscript has type 'char' [-Wchar-subscripts] p->next[cuv[i]] = CreateNod(); ^ main.c:32:27: warning: array subscript has type 'char' [-Wchar-subscripts] last = p = p->next[cuv[i]]; ^ main.c:24:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.c: In function 'DeleteTrie': main.c:42:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(!p->poz[cuv[i]]) ^ main.c:49:27: warning: array subscript has type 'char' [-Wchar-subscripts] last = p = p->next[cuv[i]]; ^ main.c:55:19: warning: array subscript has type 'char' [-Wchar-subscripts] prev2->poz[c2] = 0; ^ main.c:62:23: warning: array subscript has type 'char' [-Wchar-subscripts] prev1->poz[c1] = 0; ^ main.c: In function 'PrintFreg': main.c:76:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) ^ main.c:77:13: warning: 'return' with no value, in function returning non-void return; ^~~~~~ main.c:70:5: note: declared here int PrintFreg(Trie* root, char* cuv) { ^~~~~~~~~ main.c:78:33: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[cuv[i]]; ^ main.c:73:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.c: In function 'PrintPref': main.c:89:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) ^ main.c:92:33: warning: array subscript has type 'char' [-Wchar-subscripts]