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_WriteSWF(int handle,SWF * swf); // Writes SWF to file, returns length or <0 if fails
-int swf_WriteSWC(int handle, SWF * swf); // for convenience, equal to swf->compressed=1;swf_WriteSWF(..)
int swf_WriteCGI(SWF * swf); // Outputs SWF with valid CGI header to stdout
void swf_FreeTags(SWF * swf); // Frees all malloc'ed memory for swf
SWF* swf_CopySWF(SWF*swf);