4 lines
72 B
C++
4 lines
72 B
C++
#ifndef IO_FILE_OP_HPP
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#define IO_FILE_OP_HPP
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#endif // !IO_FILE_OP_HPP
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#ifndef IO_FILE_OP_HPP
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#define IO_FILE_OP_HPP
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#endif // !IO_FILE_OP_HPP
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