for (int i = 0; i < len; i++) str[i] = pop(&s);
void push(Stack* s, char c) Node* newNode = (Node*)malloc(sizeof(Node)); if (!newNode) return; newNode->data = c; newNode->next = s->top; s->top = newNode; data structures and algorithms in c solution manual pdf
void reverseString(char* str) Stack s; initStack(&s); int len = strlen(str); for (int i = 0; i < len; i++) push(&s, str[i]); for (int i = 0; i < len;