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#include "stdio.h"
#include "stdlib.h"
 
struct tracks_{
  int *tracks_title;
  int playlist_hits;
};
 
typedef struct album_ {
    int num_tracks;
} album;
 
typedef struct tracks_ tracks;
 
FILE* album_file;
 
int main() {
  int number_of_album,number_of_tracks,number_of_charaters;
  int i,j;
  char dummy_space;
 
  fscanf(album_file,"%d", &number_of_album);
 
  album all_albums[number_of_album];
 
  for(j=0;j<number_of_album;j++){
 
    fscanf(album_file,"%d", &all_albums[j].num_tracks);
    tracks all_tracks[all_albums[j].num_tracks], *all_tracks_p;
    all_tracks_p = all_tracks;
 
    for(i=0;i<all_albums[j].num_tracks;i++){
      fscanf(album_file,"%d", &number_of_charaters);
 
      /*set playlist_hits to 0*/
      all_tracks[i].playlist_hits=0;
 
      /*Mallocs required size for albume title*/
      all_tracks[i].tracks_title = (int *)malloc(sizeof(char)*(number_of_charaters+1));
      fscanf(album_file," ",dummy_space);
      fscanf(album_file, "%[^\n]s", all_tracks[i].tracks_title);
    }
  }
  printf("%d",all_tracks_p.playlist_hits);
}

prog.cpp: In function ‘int main()’:
prog.cpp:40: warning: too many arguments for format
prog.cpp:41: warning: format ‘%[^
’ expects type ‘char*’, but argument 3 has type ‘int*’
prog.cpp:44: error: ‘all_tracks_p’ was not declared in this scope
prog.cpp:18: warning: unused variable ‘number_of_tracks’
prog.cpp:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result

Standard output is empty