#include "file_element.h" int readAnimals(const char* filename, Animal* animalPtr, size_t nrAnimals) { return -1; } int writeAnimals(const char* filename, const Animal* animalPtr, size_t nrAnimals) { return -1; } int getNrAnimalsInFile(const char* filename, size_t* nrAnimals) { return -1; } int readAnimalFromFile( const char* filename, size_t filePosition, Animal* animalPtr) { return -1; } int writeAnimalToFile( const char* filename, size_t filePosition, const Animal* animalPtr) { return -1; } int renameAnimalInFile( const char* filename, size_t filePosition, const char* animalSurname) { return -1; }