```C

// External import entry

struct Sass_Import {

  char* imp_path; // path as found in the import statement

  char *abs_path; // path after importer has resolved it

  char* source;

  char* srcmap;

  // error handling

  char* error;

  size_t line;

  size_t column;

};

// Struct to hold importer callback

struct Sass_Importer {

  Sass_Importer_Fn importer;

  double           priority;

  void*            cookie;

};

```