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Silent Angel

filelength and fileno on linux

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Hi! I wonder if there is filelength() and fileno() functions on gcc because I couldn't figure out in which library they are. Does anyone know?

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I've never heard of filelength(), but fileno() is in the stanard library, and tells you, from a C stdio "FILE *", what the underlying file descriptor is.

To get the length of a file one would typically either use stat(), or seek to the end of it and use ftell() or similar.

With files >2Gb on 32-bit platforms, there are some compile-time things you have to define if you want 64bit file sizes; otherwise, opening files > 2Gb fails.

Mark

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