SLL with character string member

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#include <stdio.h> #include <string.h> #include <stdlib.h> struct node { char *data; int sweetness; struct node *next; }; struct node *head; void showSLL() { struct node *temp = head; while (temp != 0) { printf("%s\n", temp->data); temp = temp->next; } } void addToSLL(char *str, int _sweetness) { struct node *cur; cur = (struct node *)malloc(sizeof(struct node)); cur->next = 0; cur->sweetness = _sweetness; cur->data = (char *)malloc(strlen(str) + 1); strcpy(cur->data, str); if (head == 0) { head = cur; return; } else { struct node *temp = head; while (temp->next != 0) { temp = temp->next; } temp->next = cur; return; } } void destroySLL() { struct node *temp = head; while (temp != 0) { head = head->next; free(temp->data); free(temp); } } void findInfo(char *_fruit) { struct node *cur = head; while (cur != 0) { if (strcmp(cur->data, _fruit) == 0) { printf("%s : %d\n", cur->data, cur->sweetness); return; } cur = cur->next; } printf("There is no such %s\n", _fruit); } int main(void) { int n; char str[100]; scanf("%d", &n); // 4 for (int i = 0; i < n; i++) { scanf("%s", str); addToSLL(str, i+10); } //showSLL(); printf("Enter name of fruit"); scanf("%s", str); findInfo(str); return 0; }