mobi.h

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#ifndef libmobi_mobi_h
#define libmobi_mobi_h
 
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <time.h>
 
#if defined (__CYGWIN__) || defined (__MINGW32__)
#define MOBI_EXPORT __attribute__((visibility("default"))) __declspec(dllexport) extern
#elif defined (_WIN32)
#define MOBI_EXPORT __declspec(dllexport)
#else
#define MOBI_EXPORT __attribute__((__visibility__("default")))
#endif
 
#define MOBI_NOTSET UINT32_MAX
 
#define MOBI_ENCRYPTION_NONE 0 
#define MOBI_ENCRYPTION_V1 1 
#define MOBI_ENCRYPTION_V2 2 
#define MOBI_COMPRESSION_NONE 1 
#define MOBI_COMPRESSION_PALMDOC 2 
#define MOBI_COMPRESSION_HUFFCDIC 17480 
#ifdef __cplusplus
extern "C"
{
#endif
    typedef enum {
        MOBI_SUCCESS = 0, 
        MOBI_ERROR = 1, 
        MOBI_PARAM_ERR = 2, 
        MOBI_DATA_CORRUPT = 3, 
        MOBI_FILE_NOT_FOUND = 4, 
        MOBI_FILE_ENCRYPTED = 5, 
        MOBI_FILE_UNSUPPORTED = 6, 
        MOBI_MALLOC_FAILED = 7, 
        MOBI_INIT_FAILED = 8, 
        MOBI_BUFFER_END = 9, 
        MOBI_XML_ERR = 10, 
        MOBI_DRM_PIDINV = 11,  
        MOBI_DRM_KEYNOTFOUND = 12,  
        MOBI_DRM_UNSUPPORTED = 13, 
        MOBI_WRITE_FAILED = 14, 
        MOBI_DRM_EXPIRED = 15, 
        MOBI_DRM_RANDOM_ERR = 16 
    } MOBI_RET;
    
    typedef enum {
        EXTH_NUMERIC = 0,
        EXTH_STRING = 1,
        EXTH_BINARY = 2
    } MOBIExthType;
    
    typedef enum {
        EXTH_DRMSERVER = 1,
        EXTH_DRMCOMMERCE = 2,
        EXTH_DRMEBOOKBASE = 3,
        
        EXTH_TITLE = 99, 
        EXTH_AUTHOR = 100, 
        EXTH_PUBLISHER = 101, 
        EXTH_IMPRINT = 102, 
        EXTH_DESCRIPTION = 103, 
        EXTH_ISBN = 104, 
        EXTH_SUBJECT = 105, 
        EXTH_PUBLISHINGDATE = 106, 
        EXTH_REVIEW = 107, 
        EXTH_CONTRIBUTOR = 108, 
        EXTH_RIGHTS = 109, 
        EXTH_SUBJECTCODE = 110, 
        EXTH_TYPE = 111, 
        EXTH_SOURCE = 112, 
        EXTH_ASIN = 113,
        EXTH_VERSION = 114,
        EXTH_SAMPLE = 115,
        EXTH_STARTREADING = 116, 
        EXTH_ADULT = 117, 
        EXTH_PRICE = 118, 
        EXTH_CURRENCY = 119, 
        EXTH_KF8BOUNDARY = 121,
        EXTH_FIXEDLAYOUT = 122, 
        EXTH_BOOKTYPE = 123, 
        EXTH_ORIENTATIONLOCK = 124, 
        EXTH_COUNTRESOURCES = 125,
        EXTH_ORIGRESOLUTION = 126, 
        EXTH_ZEROGUTTER = 127, 
        EXTH_ZEROMARGIN = 128, 
        EXTH_KF8COVERURI = 129,
        EXTH_RESCOFFSET = 131,
        EXTH_REGIONMAGNI = 132, 
        EXTH_DICTNAME = 200, 
        EXTH_COVEROFFSET = 201, 
        EXTH_THUMBOFFSET = 202,
        EXTH_HASFAKECOVER = 203,
        EXTH_CREATORSOFT = 204,
        EXTH_CREATORMAJOR = 205,
        EXTH_CREATORMINOR = 206,
        EXTH_CREATORBUILD = 207,
        EXTH_WATERMARK = 208,
        EXTH_TAMPERKEYS = 209,
        
        EXTH_FONTSIGNATURE = 300,
        
        EXTH_CLIPPINGLIMIT = 401,
        EXTH_PUBLISHERLIMIT = 402,
        EXTH_UNK403 = 403,
        EXTH_TTSDISABLE = 404,
        EXTH_READFORFREE = 405, // uint32_t, rental related, ReadForFree
        EXTH_RENTAL = 406, // uint64_t
        EXTH_UNK407 = 407,
        EXTH_UNK450 = 450,
        EXTH_UNK451 = 451,
        EXTH_UNK452 = 452,
        EXTH_UNK453 = 453,
        
        EXTH_DOCTYPE = 501, 
        EXTH_LASTUPDATE = 502,
        EXTH_UPDATEDTITLE = 503,
        EXTH_ASIN504 = 504,
        EXTH_TITLEFILEAS = 508,
        EXTH_CREATORFILEAS = 517,
        EXTH_PUBLISHERFILEAS = 522,
        EXTH_LANGUAGE = 524, 
        EXTH_ALIGNMENT = 525, 
        EXTH_CREATORSTRING = 526,
        EXTH_PAGEDIR = 527,
        EXTH_OVERRIDEFONTS = 528, 
        EXTH_SORCEDESC = 529,
        EXTH_DICTLANGIN = 531,
        EXTH_DICTLANGOUT = 532,
        EXTH_INPUTSOURCE = 534,
        EXTH_CREATORBUILDREV = 535,
    } MOBIExthTag;
    
    typedef enum {
        T_UNKNOWN, 
        /* markup */
        T_HTML, 
        T_CSS, 
        T_SVG, 
        T_OPF, 
        T_NCX, 
        /* images */
        T_JPG, 
        T_GIF, 
        T_PNG, 
        T_BMP, 
        /* fonts */
        T_OTF, 
        T_TTF, 
        /* media */
        T_MP3, 
        T_MPG, 
        T_PDF, 
        /* generic types */
        T_FONT, 
        T_AUDIO, 
        T_VIDEO, 
        T_BREAK 
    } MOBIFiletype;
    
    typedef struct {
        MOBIFiletype type; 
        char extension[5]; 
        char mime_type[30]; 
    } MOBIFileMeta;
    
    typedef enum {
        MOBI_CP1252 = 1252, 
        MOBI_UTF8 = 65001, 
        MOBI_UTF16 = 65002, 
    } MOBIEncoding;
 
    typedef struct  {
        char name[33]; 
        uint16_t attributes; 
        uint16_t version; 
        uint32_t ctime; 
        uint32_t mtime; 
        uint32_t btime; 
        uint32_t mod_num; 
        uint32_t appinfo_offset; 
        uint32_t sortinfo_offset; 
        char type[5]; 
        char creator[5]; 
        uint32_t uid; 
        uint32_t next_rec; 
        uint16_t rec_count; 
    } MOBIPdbHeader;
 
    typedef struct MOBIPdbRecord {
        uint32_t offset; 
        size_t size; 
        uint8_t attributes; 
        uint32_t uid; 
        unsigned char *data; 
        struct MOBIPdbRecord *next; 
    } MOBIPdbRecord;
 
    typedef struct MOBIExthHeader {
        uint32_t tag; 
        uint32_t size; 
        void *data; 
        struct MOBIExthHeader *next; 
    } MOBIExthHeader;
    
    typedef struct {
        MOBIExthTag tag; 
        MOBIExthType type; 
        char *name; 
    } MOBIExthMeta;
    
    typedef struct {
        /* PalmDOC header (extended), offset 0, length 16 */
        uint16_t compression_type; 
        /* uint16_t unused; // 2; 0 */
        uint32_t text_length; 
        uint16_t text_record_count; 
        uint16_t text_record_size; 
        uint16_t encryption_type; 
        uint16_t unknown1; 
    } MOBIRecord0Header;
 
    typedef struct {
        /* MOBI header, offset 16 */
        char mobi_magic[5]; 
        uint32_t *header_length; 
        uint32_t *mobi_type; 
        MOBIEncoding *text_encoding; 
        uint32_t *uid; 
        uint32_t *version; 
        uint32_t *orth_index; 
        uint32_t *infl_index; 
        uint32_t *names_index; 
        uint32_t *keys_index; 
        uint32_t *extra0_index; 
        uint32_t *extra1_index; 
        uint32_t *extra2_index; 
        uint32_t *extra3_index; 
        uint32_t *extra4_index; 
        uint32_t *extra5_index; 
        uint32_t *non_text_index; 
        uint32_t *full_name_offset; 
        uint32_t *full_name_length; 
        uint32_t *locale; 
        uint32_t *dict_input_lang; 
        uint32_t *dict_output_lang; 
        uint32_t *min_version; 
        uint32_t *image_index; 
        uint32_t *huff_rec_index; 
        uint32_t *huff_rec_count; 
        uint32_t *datp_rec_index; 
        uint32_t *datp_rec_count; 
        uint32_t *exth_flags; 
        /* 32 unknown bytes, usually 0, related to encryption and unknown6 */
        /* unknown2 */
        /* unknown3 */
        /* unknown4 */
        /* unknown5 */
        uint32_t *unknown6; 
        uint32_t *drm_offset; 
        uint32_t *drm_count; 
        uint32_t *drm_size; 
        uint32_t *drm_flags; 
        /* 8 unknown bytes 0? */
        /* unknown7 */
        /* unknown8 */
        uint16_t *first_text_index; 
        uint16_t *last_text_index; 
        uint32_t *fdst_index; 
        //uint32_t *unknown9; /**< 196: */
        uint32_t *fdst_section_count; 
        uint32_t *fcis_index; 
        uint32_t *fcis_count; 
        uint32_t *flis_index; 
        uint32_t *flis_count; 
        uint32_t *unknown10; 
        uint32_t *unknown11; 
        uint32_t *srcs_index; 
        uint32_t *srcs_count; 
        uint32_t *unknown12; 
        uint32_t *unknown13; 
        /* uint16_t fill 0 */
        uint16_t *extra_flags; 
        uint32_t *ncx_index; 
        uint32_t *unknown14; 
        uint32_t *fragment_index; 
        uint32_t *unknown15; 
        uint32_t *skeleton_index; 
        uint32_t *datp_index; 
        uint32_t *unknown16; 
        uint32_t *guide_index; 
        uint32_t *unknown17; 
        uint32_t *unknown18; 
        uint32_t *unknown19; 
        uint32_t *unknown20; 
        char *full_name; 
    } MOBIMobiHeader;
 
    typedef struct MOBIData {
        bool use_kf8; 
        uint32_t kf8_boundary_offset; 
        unsigned char *drm_key; 
        MOBIPdbHeader *ph; 
        MOBIRecord0Header *rh; 
        MOBIMobiHeader *mh; 
        MOBIExthHeader *eh; 
        MOBIPdbRecord *rec; 
        struct MOBIData *next; 
        void *internals;  
    } MOBIData;
     // end of raw_structs group
 
    typedef struct {
        size_t fdst_section_count; 
        uint32_t *fdst_section_starts; 
        uint32_t *fdst_section_ends; 
    } MOBIFdst;
    
    typedef struct {
        size_t tagid; 
        size_t tagvalues_count; 
        uint32_t *tagvalues; 
    } MOBIIndexTag;
 
    typedef struct {
        char *label; 
        size_t tags_count; 
        MOBIIndexTag *tags; 
    } MOBIIndexEntry;
 
    typedef struct {
        size_t type; 
        size_t entries_count; 
        MOBIEncoding encoding; 
        size_t total_entries_count; 
        size_t ordt_offset; 
        size_t ligt_offset; 
        size_t ligt_entries_count; 
        size_t cncx_records_count; 
        MOBIPdbRecord *cncx_record; 
        MOBIIndexEntry *entries; 
        char *orth_index_name; 
    } MOBIIndx;
    
    typedef struct MOBIPart {
        size_t uid; 
        MOBIFiletype type; 
        size_t size; 
        unsigned char *data; 
        struct MOBIPart *next; 
    } MOBIPart;
    
    typedef struct {
        size_t version; 
        MOBIFdst *fdst; 
        MOBIIndx *skel; 
        MOBIIndx *frag; 
        MOBIIndx *guide; 
        MOBIIndx *ncx; 
        MOBIIndx *orth; 
        MOBIIndx *infl; 
        MOBIPart *flow; 
        MOBIPart *markup; 
        MOBIPart *resources; 
    } MOBIRawml;
 // end of parsed_structs group
    
    MOBI_EXPORT const char * mobi_version(void);
    MOBI_EXPORT MOBI_RET mobi_load_file(MOBIData *m, FILE *file);
    MOBI_EXPORT MOBI_RET mobi_load_filename(MOBIData *m, const char *path);
    
    MOBI_EXPORT MOBIData * mobi_init(void);
    MOBI_EXPORT void mobi_free(MOBIData *m);
    
    MOBI_EXPORT MOBI_RET mobi_parse_kf7(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_parse_kf8(MOBIData *m);
    
    MOBI_EXPORT MOBI_RET mobi_parse_rawml(MOBIRawml *rawml, const MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_parse_rawml_opt(MOBIRawml *rawml, const MOBIData *m, bool parse_toc, bool parse_dict, bool reconstruct);
 
    MOBI_EXPORT MOBI_RET mobi_get_rawml(const MOBIData *m, char *text, size_t *len);
    MOBI_EXPORT MOBI_RET mobi_dump_rawml(const MOBIData *m, FILE *file);
    MOBI_EXPORT MOBI_RET mobi_decode_font_resource(unsigned char **decoded_font, size_t *decoded_size, MOBIPart *part);
    MOBI_EXPORT MOBI_RET mobi_decode_audio_resource(unsigned char **decoded_resource, size_t *decoded_size, MOBIPart *part);
    MOBI_EXPORT MOBI_RET mobi_decode_video_resource(unsigned char **decoded_resource, size_t *decoded_size, MOBIPart *part);
    MOBI_EXPORT MOBI_RET mobi_get_embedded_source(unsigned char **data, size_t *size, const MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_get_embedded_log(unsigned char **data, size_t *size, const MOBIData *m);
    
    MOBI_EXPORT MOBIPdbRecord * mobi_get_record_by_uid(const MOBIData *m, const size_t uid);
    MOBI_EXPORT MOBIPdbRecord * mobi_get_record_by_seqnumber(const MOBIData *m, const size_t uid);
    MOBI_EXPORT MOBIPart * mobi_get_flow_by_uid(const MOBIRawml *rawml, const size_t uid);
    MOBI_EXPORT MOBIPart * mobi_get_flow_by_fid(const MOBIRawml *rawml, const char *fid);
    MOBI_EXPORT MOBIPart * mobi_get_resource_by_uid(const MOBIRawml *rawml, const size_t uid);
    MOBI_EXPORT MOBIPart * mobi_get_resource_by_fid(const MOBIRawml *rawml, const char *fid);
    MOBI_EXPORT MOBIPart * mobi_get_part_by_uid(const MOBIRawml *rawml, const size_t uid);
    MOBI_EXPORT MOBI_RET mobi_get_fullname(const MOBIData *m, char *fullname, const size_t len);
    MOBI_EXPORT size_t mobi_get_first_resource_record(const MOBIData *m);
    MOBI_EXPORT size_t mobi_get_text_maxsize(const MOBIData *m);
    MOBI_EXPORT uint16_t mobi_get_textrecord_maxsize(const MOBIData *m);
    MOBI_EXPORT size_t mobi_get_kf8offset(const MOBIData *m);
    MOBI_EXPORT size_t mobi_get_kf8boundary_seqnumber(const MOBIData *m);
    MOBI_EXPORT size_t mobi_get_record_extrasize(const MOBIPdbRecord *record, const uint16_t flags);
    MOBI_EXPORT size_t mobi_get_record_mb_extrasize(const MOBIPdbRecord *record, const uint16_t flags);
    MOBI_EXPORT size_t mobi_get_fileversion(const MOBIData *m);
    MOBI_EXPORT size_t mobi_get_fdst_record_number(const MOBIData *m);
    MOBI_EXPORT MOBIExthHeader * mobi_get_exthrecord_by_tag(const MOBIData *m, const MOBIExthTag tag);
    MOBI_EXPORT MOBIExthHeader * mobi_next_exthrecord_by_tag(const MOBIData *m, const MOBIExthTag tag, MOBIExthHeader **start);
    MOBI_EXPORT MOBI_RET mobi_delete_exthrecord_by_tag(MOBIData *m, const MOBIExthTag tag);
    MOBI_EXPORT MOBI_RET mobi_add_exthrecord(MOBIData *m, const MOBIExthTag tag, const uint32_t size, const void *value);
    MOBI_EXPORT MOBIExthMeta mobi_get_exthtagmeta_by_tag(const MOBIExthTag tag);
    MOBI_EXPORT MOBIFileMeta mobi_get_filemeta_by_type(const MOBIFiletype type);
    MOBI_EXPORT uint32_t mobi_decode_exthvalue(const unsigned char *data, const size_t size);
    MOBI_EXPORT char * mobi_decode_exthstring(const MOBIData *m, const unsigned char *data, const size_t size);
    MOBI_EXPORT struct tm * mobi_pdbtime_to_time(const long pdb_time);
    MOBI_EXPORT const char * mobi_get_locale_string(const uint32_t locale);
    MOBI_EXPORT size_t mobi_get_locale_number(const char *locale_string);
    MOBI_EXPORT uint32_t mobi_get_orth_entry_offset(const MOBIIndexEntry *entry);
    MOBI_EXPORT uint32_t mobi_get_orth_entry_length(const MOBIIndexEntry *entry);
    MOBI_EXPORT MOBI_RET mobi_remove_hybrid_part(MOBIData *m, const bool remove_kf8);
 
    MOBI_EXPORT bool mobi_exists_mobiheader(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_fdst(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_skel_indx(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_frag_indx(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_guide_indx(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_ncx(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_orth(const MOBIData *m);
    MOBI_EXPORT bool mobi_exists_infl(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_hybrid(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_encrypted(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_mobipocket(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_dictionary(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_kf8(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_replica(const MOBIData *m);
    MOBI_EXPORT bool mobi_is_rawml_kf8(const MOBIRawml *rawml);
    MOBI_EXPORT MOBIRawml * mobi_init_rawml(const MOBIData *m);
    MOBI_EXPORT void mobi_free_rawml(MOBIRawml *rawml);
    
    MOBI_EXPORT char * mobi_meta_get_title(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_author(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_publisher(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_imprint(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_description(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_isbn(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_subject(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_publishdate(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_review(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_contributor(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_copyright(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_asin(const MOBIData *m);
    MOBI_EXPORT char * mobi_meta_get_language(const MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_title(MOBIData *m, const char *title);
    MOBI_EXPORT MOBI_RET mobi_meta_add_title(MOBIData *m, const char *title);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_title(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_author(MOBIData *m, const char *author);
    MOBI_EXPORT MOBI_RET mobi_meta_add_author(MOBIData *m, const char *author);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_author(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_publisher(MOBIData *m, const char *publisher);
    MOBI_EXPORT MOBI_RET mobi_meta_add_publisher(MOBIData *m, const char *publisher);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_publisher(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_imprint(MOBIData *m, const char *imprint);
    MOBI_EXPORT MOBI_RET mobi_meta_add_imprint(MOBIData *m, const char *imprint);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_imprint(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_description(MOBIData *m, const char *description);
    MOBI_EXPORT MOBI_RET mobi_meta_add_description(MOBIData *m, const char *description);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_description(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_isbn(MOBIData *m, const char *isbn);
    MOBI_EXPORT MOBI_RET mobi_meta_add_isbn(MOBIData *m, const char *isbn);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_isbn(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_subject(MOBIData *m, const char *subject);
    MOBI_EXPORT MOBI_RET mobi_meta_add_subject(MOBIData *m, const char *subject);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_subject(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_publishdate(MOBIData *m, const char *publishdate);
    MOBI_EXPORT MOBI_RET mobi_meta_add_publishdate(MOBIData *m, const char *publishdate);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_publishdate(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_review(MOBIData *m, const char *review);
    MOBI_EXPORT MOBI_RET mobi_meta_add_review(MOBIData *m, const char *review);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_review(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_contributor(MOBIData *m, const char *contributor);
    MOBI_EXPORT MOBI_RET mobi_meta_add_contributor(MOBIData *m, const char *contributor);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_contributor(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_copyright(MOBIData *m, const char *copyright);
    MOBI_EXPORT MOBI_RET mobi_meta_add_copyright(MOBIData *m, const char *copyright);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_copyright(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_asin(MOBIData *m, const char *asin);
    MOBI_EXPORT MOBI_RET mobi_meta_add_asin(MOBIData *m, const char *asin);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_asin(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_meta_set_language(MOBIData *m, const char *language);
    MOBI_EXPORT MOBI_RET mobi_meta_add_language(MOBIData *m, const char *language);
    MOBI_EXPORT MOBI_RET mobi_meta_delete_language(MOBIData *m);
    
    MOBI_EXPORT MOBI_RET mobi_drm_setkey(MOBIData *m, const char *pid);
    MOBI_EXPORT MOBI_RET mobi_drm_setkey_serial(MOBIData *m, const char *serial);
    MOBI_EXPORT MOBI_RET mobi_drm_addvoucher(MOBIData *m, const char *serial, const time_t valid_from, const time_t valid_to,
                                             const MOBIExthTag *tamperkeys, const size_t tamperkeys_count);
    MOBI_EXPORT MOBI_RET mobi_drm_delkey(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_drm_decrypt(MOBIData *m);
    MOBI_EXPORT MOBI_RET mobi_drm_encrypt(MOBIData *m);
 
    MOBI_EXPORT MOBI_RET mobi_write_file(FILE *file, MOBIData *m); // end of mobi_export group
    
#ifdef __cplusplus
}
#endif
 
#endif