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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
This required a five second Google search: cp.c -- file copying (main routines)
I present you a middle case: here's the source code for Gnu bash's cp command.
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