Finding size of a file from a program

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Subject: Finding size of a file from a program
From: "Pharaoh ." <pharaoh137@xxxxxxxxx>
Date: Fri, 19 Jan 2007 12:49:56 +0530

Hi
How to find size of a file from a userspace program without using shell commmands with system() etc?
I want to allocate a buffer and read the entire contents of a file, I know this is not good for large files, but I am just
experimenting with small file currently so this is good enough. Is there any system call available for this?

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