ply格式读取ply-1.1 ..................\ply-1.1 ..................\.......\CVS ..................\.......\...\Entries ..................\.......\...\Repository ..................\.......\...\Root ..................\.......\makefile ..................\.......\ply.h ..................\.......\plyfile.c ..................\.......\plytest.c ..................\.......\ply_docs