struct file* p2pkp_open_file_read(const char *filename);
+struct file* p2pkp_open_file_write(const char *filename, mode_t mode);
void p2pkp_close_file(struct file *file);
int p2pkp_read_from_file(struct file *file, char *buffer, int len);
+int p2pkp_write_in_file(struct file *file, char *buffer, int len);
#endif /* _P2PKP_FILE_H_ */