Save work on documentation.

This commit is contained in:
Michael R Sweet
2021-07-24 13:08:46 -04:00
parent 78c1da815e
commit 87b9ea87ad
8 changed files with 835 additions and 334 deletions

206
pdfio.h
View File

@@ -35,11 +35,11 @@ extern "C" {
//
# if defined(__has_extension) || defined(__GNUC__)
# define PDFIO_PUBLIC __attribute__ ((visibility("default")))
# define PDFIO_FORMAT(a,b) __attribute__ ((__format__(__printf__, a,b)))
# define _PDFIO_PUBLIC __attribute__ ((visibility("default")))
# define _PDFIO_FORMAT(a,b) __attribute__ ((__format__(__printf__, a,b)))
# else
# define PDFIO_PUBLIC
# define PDFIO_FORMAT(a,b)
# define _PDFIO_PUBLIC
# define _PDFIO_FORMAT(a,b)
# endif // __has_extension || __GNUC__
@@ -103,112 +103,112 @@ typedef enum pdfio_valtype_e // PDF value types
// Functions...
//
extern bool pdfioArrayAppendArray(pdfio_array_t *a, pdfio_array_t *value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendBinary(pdfio_array_t *a, const unsigned char *value, size_t valuelen) PDFIO_PUBLIC;
extern bool pdfioArrayAppendBoolean(pdfio_array_t *a, bool value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendDate(pdfio_array_t *a, time_t value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendDict(pdfio_array_t *a, pdfio_dict_t *value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendName(pdfio_array_t *a, const char *value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendNumber(pdfio_array_t *a, double value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendObj(pdfio_array_t *a, pdfio_obj_t *value) PDFIO_PUBLIC;
extern bool pdfioArrayAppendString(pdfio_array_t *a, const char *value) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCopy(pdfio_file_t *pdf, pdfio_array_t *a) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCreate(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayGetArray(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern unsigned char *pdfioArrayGetBinary(pdfio_array_t *a, size_t n, size_t *length) PDFIO_PUBLIC;
extern bool pdfioArrayGetBoolean(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern time_t pdfioArrayGetDate(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioArrayGetDict(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern const char *pdfioArrayGetName(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern double pdfioArrayGetNumber(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioArrayGetObj(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern size_t pdfioArrayGetSize(pdfio_array_t *a) PDFIO_PUBLIC;
extern const char *pdfioArrayGetString(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioArrayGetType(pdfio_array_t *a, size_t n) PDFIO_PUBLIC;
extern bool pdfioArrayAppendArray(pdfio_array_t *a, pdfio_array_t *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendBinary(pdfio_array_t *a, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendBoolean(pdfio_array_t *a, bool value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDate(pdfio_array_t *a, time_t value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDict(pdfio_array_t *a, pdfio_dict_t *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendName(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendNumber(pdfio_array_t *a, double value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendObj(pdfio_array_t *a, pdfio_obj_t *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendString(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCopy(pdfio_file_t *pdf, pdfio_array_t *a) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayGetArray(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern unsigned char *pdfioArrayGetBinary(pdfio_array_t *a, size_t n, size_t *length) _PDFIO_PUBLIC;
extern bool pdfioArrayGetBoolean(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern time_t pdfioArrayGetDate(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioArrayGetDict(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetName(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern double pdfioArrayGetNumber(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioArrayGetObj(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern size_t pdfioArrayGetSize(pdfio_array_t *a) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetString(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioArrayGetType(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictCopy(pdfio_file_t *pdf, pdfio_dict_t *dict) PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictCreate(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioDictGetArray(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern unsigned char *pdfioDictGetBinary(pdfio_dict_t *dict, const char *key, size_t *length) PDFIO_PUBLIC;
extern bool pdfioDictGetBoolean(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern time_t pdfioDictGetDate(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictGetDict(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern const char *pdfioDictGetName(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern double pdfioDictGetNumber(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioDictGetObj(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern pdfio_rect_t *pdfioDictGetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *rect) PDFIO_PUBLIC;
extern const char *pdfioDictGetString(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioDictGetType(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern bool pdfioDictSetArray(pdfio_dict_t *dict, const char *key, pdfio_array_t *value) PDFIO_PUBLIC;
extern bool pdfioDictSetBinary(pdfio_dict_t *dict, const char *key, const unsigned char *value, size_t valuelen) PDFIO_PUBLIC;
extern bool pdfioDictSetBoolean(pdfio_dict_t *dict, const char *key, bool value) PDFIO_PUBLIC;
extern bool pdfioDictSetDate(pdfio_dict_t *dict, const char *key, time_t value) PDFIO_PUBLIC;
extern bool pdfioDictSetDict(pdfio_dict_t *dict, const char *key, pdfio_dict_t *value) PDFIO_PUBLIC;
extern bool pdfioDictSetName(pdfio_dict_t *dict, const char *key, const char *value) PDFIO_PUBLIC;
extern bool pdfioDictSetNull(pdfio_dict_t *dict, const char *key) PDFIO_PUBLIC;
extern bool pdfioDictSetNumber(pdfio_dict_t *dict, const char *key, double value) PDFIO_PUBLIC;
extern bool pdfioDictSetObj(pdfio_dict_t *dict, const char *key, pdfio_obj_t *value) PDFIO_PUBLIC;
extern bool pdfioDictSetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *value) PDFIO_PUBLIC;
extern bool pdfioDictSetString(pdfio_dict_t *dict, const char *key, const char *value) PDFIO_PUBLIC;
extern bool pdfioDictSetStringf(pdfio_dict_t *dict, const char *key, const char *format, ...) PDFIO_PUBLIC PDFIO_FORMAT(3,4);
extern pdfio_dict_t *pdfioDictCopy(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioDictGetArray(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern unsigned char *pdfioDictGetBinary(pdfio_dict_t *dict, const char *key, size_t *length) _PDFIO_PUBLIC;
extern bool pdfioDictGetBoolean(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern time_t pdfioDictGetDate(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictGetDict(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern const char *pdfioDictGetName(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern double pdfioDictGetNumber(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioDictGetObj(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_rect_t *pdfioDictGetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *rect) _PDFIO_PUBLIC;
extern const char *pdfioDictGetString(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioDictGetType(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioDictSetArray(pdfio_dict_t *dict, const char *key, pdfio_array_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetBinary(pdfio_dict_t *dict, const char *key, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC;
extern bool pdfioDictSetBoolean(pdfio_dict_t *dict, const char *key, bool value) _PDFIO_PUBLIC;
extern bool pdfioDictSetDate(pdfio_dict_t *dict, const char *key, time_t value) _PDFIO_PUBLIC;
extern bool pdfioDictSetDict(pdfio_dict_t *dict, const char *key, pdfio_dict_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetName(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetNull(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioDictSetNumber(pdfio_dict_t *dict, const char *key, double value) _PDFIO_PUBLIC;
extern bool pdfioDictSetObj(pdfio_dict_t *dict, const char *key, pdfio_obj_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetString(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetStringf(pdfio_dict_t *dict, const char *key, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(3,4);
extern bool pdfioFileClose(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreate(const char *filename, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateArrayObj(pdfio_file_t *pdf, pdfio_array_t *array) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateObj(pdfio_file_t *pdf, pdfio_dict_t *dict) PDFIO_PUBLIC;
extern bool pdfioFileClose(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreate(const char *filename, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateArrayObj(pdfio_file_t *pdf, pdfio_array_t *array) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateObj(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
// TODO: Add number, array, string, etc. versions of pdfioFileCreateObject?
extern pdfio_stream_t *pdfioFileCreatePage(pdfio_file_t *pdf, pdfio_dict_t *dict) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileFindObj(pdfio_file_t *pdf, size_t number) PDFIO_PUBLIC;
extern const char *pdfioFileGetAuthor(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern time_t pdfioFileGetCreationDate(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetCreator(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioFileGetID(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetKeywords(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetName(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern size_t pdfioFileGetNumObjs(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern size_t pdfioFileGetNumPages(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetObj(pdfio_file_t *pdf, size_t n) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetPage(pdfio_file_t *pdf, size_t n) PDFIO_PUBLIC;
extern const char *pdfioFileGetProducer(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetSubject(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetTitle(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern const char *pdfioFileGetVersion(pdfio_file_t *pdf) PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileOpen(const char *filename, pdfio_error_cb_t error_cb, void *error_data) PDFIO_PUBLIC;
extern void pdfioFileSetAuthor(pdfio_file_t *pdf, const char *value) PDFIO_PUBLIC;
extern void pdfioFileSetCreationDate(pdfio_file_t *pdf, time_t value) PDFIO_PUBLIC;
extern void pdfioFileSetCreator(pdfio_file_t *pdf, const char *value) PDFIO_PUBLIC;
extern void pdfioFileSetKeywords(pdfio_file_t *pdf, const char *value) PDFIO_PUBLIC;
extern void pdfioFileSetSubject(pdfio_file_t *pdf, const char *value) PDFIO_PUBLIC;
extern void pdfioFileSetTitle(pdfio_file_t *pdf, const char *value) PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioFileCreatePage(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileFindObj(pdfio_file_t *pdf, size_t number) _PDFIO_PUBLIC;
extern const char *pdfioFileGetAuthor(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern time_t pdfioFileGetCreationDate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetCreator(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioFileGetID(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetKeywords(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetName(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern size_t pdfioFileGetNumObjs(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern size_t pdfioFileGetNumPages(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetObj(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetPage(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern const char *pdfioFileGetProducer(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetSubject(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetTitle(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetVersion(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileOpen(const char *filename, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern void pdfioFileSetAuthor(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreationDate(pdfio_file_t *pdf, time_t value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreator(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetKeywords(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetSubject(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetTitle(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern bool pdfioObjClose(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioObjCopy(pdfio_file_t *pdf, pdfio_obj_t *srcobj) PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjCreateStream(pdfio_obj_t *obj, pdfio_filter_t compression) PDFIO_PUBLIC;
extern pdfio_array_t *pdfioObjGetArray(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioObjGetDict(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern unsigned short pdfioObjGetGeneration(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern size_t pdfioObjGetLength(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern size_t pdfioObjGetNumber(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern const char *pdfioObjGetSubtype(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern const char *pdfioObjGetType(pdfio_obj_t *obj) PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjOpenStream(pdfio_obj_t *obj, bool decode) PDFIO_PUBLIC;
extern bool pdfioObjClose(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioObjCopy(pdfio_file_t *pdf, pdfio_obj_t *srcobj) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjCreateStream(pdfio_obj_t *obj, pdfio_filter_t compression) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioObjGetArray(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioObjGetDict(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern unsigned short pdfioObjGetGeneration(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern size_t pdfioObjGetLength(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern size_t pdfioObjGetNumber(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern const char *pdfioObjGetSubtype(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern const char *pdfioObjGetType(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjOpenStream(pdfio_obj_t *obj, bool decode) _PDFIO_PUBLIC;
extern bool pdfioPageCopy(pdfio_file_t *pdf, pdfio_obj_t *srcpage) PDFIO_PUBLIC;
extern size_t pdfioPageGetNumStreams(pdfio_obj_t *page) PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioPageOpenStream(pdfio_obj_t *page, size_t n, bool decode) PDFIO_PUBLIC;
extern bool pdfioPageCopy(pdfio_file_t *pdf, pdfio_obj_t *srcpage) _PDFIO_PUBLIC;
extern size_t pdfioPageGetNumStreams(pdfio_obj_t *page) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioPageOpenStream(pdfio_obj_t *page, size_t n, bool decode) _PDFIO_PUBLIC;
extern bool pdfioStreamClose(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioStreamConsume(pdfio_stream_t *st, size_t bytes) PDFIO_PUBLIC;
extern bool pdfioStreamGetToken(pdfio_stream_t *st, char *buffer, size_t bufsize) PDFIO_PUBLIC;
extern ssize_t pdfioStreamPeek(pdfio_stream_t *st, void *buffer, size_t bytes) PDFIO_PUBLIC;
extern bool pdfioStreamPrintf(pdfio_stream_t *st, const char *format, ...) PDFIO_PUBLIC PDFIO_FORMAT(2,3);
extern bool pdfioStreamPutChar(pdfio_stream_t *st, int ch) PDFIO_PUBLIC;
extern bool pdfioStreamPuts(pdfio_stream_t *st, const char *s) PDFIO_PUBLIC;
extern ssize_t pdfioStreamRead(pdfio_stream_t *st, void *buffer, size_t bytes) PDFIO_PUBLIC;
extern bool pdfioStreamWrite(pdfio_stream_t *st, const void *buffer, size_t bytes) PDFIO_PUBLIC;
extern bool pdfioStreamClose(pdfio_stream_t *st) _PDFIO_PUBLIC;
extern bool pdfioStreamConsume(pdfio_stream_t *st, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamGetToken(pdfio_stream_t *st, char *buffer, size_t bufsize) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamPeek(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamPrintf(pdfio_stream_t *st, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(2,3);
extern bool pdfioStreamPutChar(pdfio_stream_t *st, int ch) _PDFIO_PUBLIC;
extern bool pdfioStreamPuts(pdfio_stream_t *st, const char *s) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamRead(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamWrite(pdfio_stream_t *st, const void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern char *pdfioStringCreate(pdfio_file_t *pdf, const char *s) PDFIO_PUBLIC;
extern char *pdfioStringCreatef(pdfio_file_t *pdf, const char *format, ...) PDFIO_FORMAT(2,3) PDFIO_PUBLIC;
extern char *pdfioStringCreate(pdfio_file_t *pdf, const char *s) _PDFIO_PUBLIC;
extern char *pdfioStringCreatef(pdfio_file_t *pdf, const char *format, ...) _PDFIO_FORMAT(2,3) _PDFIO_PUBLIC;
//