ASCII to binary and /proc

From: Joseph (wutongjoe_at_hotmail.com)
Date: 09/30/04

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    Date: Thu, 30 Sep 2004 05:51:13 +0000 (UTC)

    Hi all,

    I was doing a assignment ,and I do not know if there is any lib or function
    which could convert a ACSII char to binary number and vice versa.

    and there is another question,is there any way to get the other process's
    executable (filename)by only accessing the /proc dir ? like process1 access
    the /proc and there's a dir with name 1394 (/proc/1394) ,how can I get the
    filename of process PID 1394?(say,emacs ,here for example)

    I have tried with
    $cat status

    but the "name" displayed is not the one I want(I run ./test.o ,but it
    displays "gnome..." something,not "test.o")

    Thanks a lot guys!!
    Joseph

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