There is no "&" address of this constant value defined.

Um, in perl, & is not the address-of operator 

$ perl -MPOSIX=WNOHANG -e "print WNOHANG, &WNOHANG"
11

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In reply to Re^5: Using IO::CaptureOutput in a child process to caputre STDOUT and STDERR by Anonymous Monk
in thread Using IO::CaptureOutput in a child process to caputre STDOUT and STDERR by clintonm9

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