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040000 tree b1e04eb0e0de5c65f0dfb4ae958c3c3ca259a9a6	overflow
040000 tree 83f08140e171d638e32c4b0fe39fc067d5597aec	requirements
040000 tree ad62d5cfd89dc9fe9aec4bb4cf86693d1fb9957f	sgetc
040000 tree 22e1ec06cbef599a4e820b9337c8e926a73b6a65	sgetn
040000 tree 39c6923c584f101e8930ff57483e6270e8d21158	sputbackc
040000 tree 7408f4e17bdef7e91e592a502a19d73df1a87a6f	sputc
040000 tree b20ee3e681c8cccc89a87665c108d1257e3f644f	sputn
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