The the PIC18F4550 development of USB C language, it is classic

PIC18F4550_USB_firmware\fw\hid\autofiles\CVS\Entries
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.......................\..\...\.........\...\Entries.Old
.......................\..\...\.........\...\Repository
.......................\..\...\.........\...\Root
.......................\..\...\.........\CVS
.......................\..\...\.........\usbcfg.h
.......................\..\...\.........\usbdsc.c
.......................\..\...\.........\usbdsc.h
.......................\..\...\autofiles
.......................\..\...\CleanUp.bat
.......................\..\...\ExtFlash.c
.......................\..\...\hid.mcp
.......................\..\...\hid.mcs
.......................\..\...\io_cfg.h
.......................\..\...\main.c
.......................\..\...\MCHPUSB.mcs
.......................\..\...\MCHPUSB.mcw
.......................\..\...\mm36sb020.c
.......................\..\...\mm36sb020.c.bak
.......................\..\...\p18f2550.h
.......................\..\...\p18f4550.h
.......................\..\...\Resources.h
.......................\..\...\Resources.h.bak
.......................\..\...\rm18f4550.lkr
.......................\..\...\system\CVS\Entries
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.......................\..\...\......\...\Entries.Extra.Old
.......................\..\...\......\...\Entries.Old
.......................\..\...\......\...\Repository
.......................\..\...\......\...\Root
.......................\..\...\......\CVS
.......................\..\...\......\interrupt\CVS\Entries
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.......................\..\...\......\.........\...\Repository
.......................\..\...\......\.........\...\Root
.......................\..\...\......\.........\CVS
.......................\..\...\......\.........\interrupt.c
.......................\..\...\......\.........\interrupt.h
.......................\..\...\......\interrupt
.......................\..\...\......\typedefs.h
.......................\..\...\......\usb\class\CVS\Entries
.......................\..\...\......\...\.....\...\Entries.Extra
.......................\..\...\......\...\.....\...\Entries.Extra.Old
.......................\..\...\......\...\.....\...\Entries.Old
.......................\..\...\......\...\.....\...\Repository
.......................\..\...\......\...\.....\...\Root
.......................\..\...\......\...\.....\CVS
.......................\..\...\......\...\.....\hid\CVS\Entries
.......................\..\...\......\...\.....\...\...\Entries.Extra
.......................\..\...\......\...\.....\...\...\Entries.Extra.Old
.......................\..\...\......\...\.....\...\...\Entries.Old
.......................\..\...\......\...\.....\...\...\Repository
.......................\..\...\......\...\.....\...\...\Root
.......................\..\...\......\...\.....\...\CVS
.......................\..\...\......\...\.....\...\hid.c
.......................\..\...\......\...\.....\...\hid.h
.......................\..\...\......\...\.....\hid
.......................\..\...\......\...\class
.......................\..\...\......\...\CVS\Entries
.......................\..\...\......\...\...\Entries.Extra
.......................\..\...\......\...\...\Entries.Extra.Old
.......................\..\...\......\...\...\Entries.Old
.......................\..\...\......\...\...\Repository
.......................\..\...\......\...\...\Root
.......................\..\...\......\...\CVS
.......................\..\...\......\...\usb.h
.......................\..\...\......\...\...9\CVS\Entries
.......................\..\...\......\...\....\...\Entries.Extra
.......................\..\...\......\...\....\...\Entries.Extra.Old
.......................\..\...\......\...\....\...\Entries.Old
.......................\..\...\......\...\....\...\Repository
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