DosGetPPID

This call allows the caller to obtain the parent process ID for any process.

DosGetPPID

(PID, PPID)

PID (USHORT) - input

The process ID of the process to find the parent PID.
PPID (PUSHORT) - output
Address of a word where the process ID of the parent of the indicated process is placed.
rc (USHORT) - return
Return code descriptions are:
• NO_ERROR 303
  ERROR_INVALID_PROCID

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