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'use strict'; |
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module.exports = function (buf) { |
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if (!buf || buf.length < 8) { |
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return false; |
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} |
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return buf[0] === 137 && |
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buf[1] === 80 && |
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buf[2] === 78 && |
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buf[3] === 71 && |
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buf[4] === 13 && |
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buf[5] === 10 && |
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buf[6] === 26 && |
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buf[7] === 10; |
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};
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