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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
struct Photo;
 
typedef struct
{
   char user[50];
   char password[50];
   struct Photo *photohead;
}User; 
 
typedef struct Photo
{
   int id;
   char des[50];
   char name[50];
   char place[50];
   char date[50];
   struct photo *next;
   struct Photo *prev;
}Photo;
 
User *CreateArray();
User *CreateArray(int size)
{
   int i;
   User *Userlist;
   FILE *fp;
   fp=fopen("clients.txt","r");
   if(fp==NULL){printf("failed to open file");}
   Userlist=malloc(size*sizeof(User));
   for(i=0;i<size;i++)
   {
      fscanf(fp,"%s %s",Userlist[i].user,Userlist[i].password);
      Userlist[i].photohead=(Photo*)malloc(sizeof(Photo));
      Userlist[i].photohead=NULL;
   }
 
   fclose(fp);
   return Userlist;
};
 
void option1(Photo **head,char name[50],char date[50],
             char description[50],char location[50])
{
 
   Photo *temp;
   temp=(Photo*)malloc(sizeof(Photo));
   temp=head;
   while(temp->next!=NULL)
   {
      temp=temp->next;
   }
 
   temp->next=(Photo*)malloc(sizeof(Photo));
   strcpy(temp->next->name,name);
   strcpy(temp->next->date,date);
   strcpy(temp->next->des,description);
   strcpy(temp->next->place,location);
 
}
 
int main()
{
   char name[50],date[50],description[50],location[50];
   int option,user,sizze;
   User *Users;
   sizze=sizeofArray();//gets the size that the array needs to be from the file 
   Users=CreateArray(sizze)
      PrintArray(Users,sizze);
 
   printf("Enter the photos details\n");
   printf("Photos name:");
   scanf("%s",&name);
   printf("\n");
   printf("Photos date:");
   scanf("%s",&date);
   printf("\n");
   printf("Photos description:");
   scanf("%s",&description);
   printf("\n");
   printf("Photos location:");
   scanf("%s",&location);
   printf("\n");
   option1(&Users[user].photohead,name,date,description,location);
}
 
 

prog.c: In function 'option1':
prog.c:51:8: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
    temp=head;
        ^
prog.c:54:11: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
       temp=temp->next;
           ^
prog.c:57:14: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
    temp->next=(Photo*)malloc(sizeof(Photo));
              ^
prog.c:58:21: error: dereferencing pointer to incomplete type 'struct photo'
    strcpy(temp->next->name,name);
                     ^
prog.c: In function 'main':
prog.c:70:10: warning: implicit declaration of function 'sizeofArray' [-Wimplicit-function-declaration]
    sizze=sizeofArray();//gets the size that the array needs to be from the file 
          ^
prog.c:72:7: error: expected ';' before 'PrintArray'
       PrintArray(Users,sizze);
       ^
prog.c:76:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
    scanf("%s",&name);
          ^
prog.c:79:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
    scanf("%s",&date);
          ^
prog.c:82:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
    scanf("%s",&description);
          ^
prog.c:85:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[50]' [-Wformat=]
    scanf("%s",&location);
          ^
prog.c:68:8: warning: unused variable 'option' [-Wunused-variable]
    int option,user,sizze;
        ^

Standard output is empty