get_eacontent: int (const struct vol *, char *, size_t *, const char *, int, const char *, int)
get_easize: int (const struct vol *, char *, size_t *, const char *, int, const char *)
get_eacontent: int (const struct vol *, char *, size_t *, const char *, int, const char *, int)
get_easize: int (const struct vol *, char *, size_t *, const char *, int, const char *)