#include #include #include #include #include #define N 20 struct city { char name_f[80]; char name_p[80]; char date[12]; char type; union { char adult[15]; char child[15]; }type1; struct city *next; struct city *previous; }; struct city *head=NULL; struct city *last=NULL; struct city *current=NULL; struct city *temp=NULL; struct city *newList=NULL; typedef struct city DataType; struct list { DataType data; struct list *next; //struct city *head=NULL; };