int swf_ReadSWF2(reader_t*reader, SWF * swf); // Reads SWF via callback
int swf_ReadSWF(int handle,SWF * swf); // Reads SWF to memory (malloc'ed), returns length or <0 if fails
int swf_WriteSWF2(writer_t*writer, SWF * swf); // Writes SWF via callback, returns length or <0 if fails
int swf_ReadSWF2(reader_t*reader, SWF * swf); // Reads SWF via callback
int swf_ReadSWF(int handle,SWF * swf); // Reads SWF to memory (malloc'ed), returns length or <0 if fails
int swf_WriteSWF2(writer_t*writer, SWF * swf); // Writes SWF via callback, returns length or <0 if fails