returning file info to C code

Hello, I am a C coder but new to Perl. I am running in an AIX
environment. I was wondering if there was a Perl way to return string
data (or larger int values) to a C program? For instance, if I use
the command :

ps aux | grep process123 my out put would look like this:

emextra 45304 0.0 0.0 7344 6120 - A 20:08:01 0:00
process123
emextra 97034 0.0 0.0 3184 1984 - A 20:11:25 0:00
process123
emextra 123294 0.1 0.0 5100 3580 - A 20:06:47 0:37
process123
emextra 186828 0.0 0.0 2328 912 - A 20:07:22 0:02
db2agent (ERMM)
rsuser 8448 0.0 0.0 2900 284 - A 20:13:24 0:00
process123
rsuser 11576 0.0 0.0 2492 312 - A 20:13:24 0:00
process123
rsuser 14110 0.0 0.0 1576 288 - A 20:13:24 0:00
process123
rsuser 23584 0.0 0.0 2120 324 - A 20:13:24 0:00
process123
rsuser 24108 0.0 0.0 2540 280 - A 20:13:24 0:00
process123
rsuser 26800 0.0 0.0 1468 356 - A 20:13:24 0:00
process123

I want to retrieve the 2nd and 5th columns of the output. I *think* I
can figure out a way for Perl to get these columns but is there a way
to return these values to my C program?

Any advise would be appreciated

.

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