Compilare: main.c: In function 'AddTrie': main.c:25:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) { ^ main.c:26:22: warning: array subscript has type 'char' [-Wchar-subscripts] root->poz[cuv[i]] = 1; ^ main.c:27:23: warning: array subscript has type 'char' [-Wchar-subscripts] root->next[cuv[i]] = CreateNod(); ^ main.c:30:33: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[cuv[i]]; ^ main.c:22:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.c: In function 'DeleteTrie': main.c:40:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) ^ main.c:47:33: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[cuv[i]]; ^ main.c:52:19: warning: array subscript has type 'char' [-Wchar-subscripts] prev2->poz[c2] = 0; ^ main.c:56:23: warning: array subscript has type 'char' [-Wchar-subscripts] prev1->poz[c1] = 0; ^ main.c: In function 'PrintFreg': main.c:68:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) ^ main.c:69:13: warning: 'return' with no value, in function returning non-void return; ^~~~~~ main.c:64:5: note: declared here int PrintFreg(Trie* root, char* cuv) { ^~~~~~~~~ main.c:70:33: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[cuv[i]]; ^ main.c:65:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.c: In function 'PrintPref': main.c:79:22: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[cuv[i]]) ^ main.c:82:33: warning: array subscript has type 'char' [-Wchar-subscripts]