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  12 .\" Copyright 2015 Joyent, Inc.
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  14 .Dd May 11, 2016
  15 .Dt PGRAB_ERROR 3PROC
  16 .Os
  17 .Sh NAME
  18 .Nm Pgrab_error
  19 .Nd get Pgrab error message string
  20 .Sh SYNOPSIS
  21 .Lb libproc
  22 .In libproc.h
  23 .Ft "const char *"
  24 .Fo Pgrab_error
  25 .Fa "int error"
  26 .Fc
  27 .Sh DESCRIPTION
  28 The
  29 .Fn Pgrab_error
  30 function returns a pointer to a human-readable character string
  31 describing the error that occurred.
  32 This function only knows how to translate errors that are stored in
  33 .Fa perr
  34 during a failed call to
  35 .Xr Pgrab 3PROC ,
  36 .Xr Pfgrab_core 3PROC,
  37 .Xr Pgrab_core 3PROC ,
  38 or
  39 .Xr Pgrab_file 3PROC .
  40 .Sh RETURN VALUES
  41 The
  42 .Fn Pgrab_error
  43 function always returns a pointer to a character string that describes
  44 the error that occurred, even if it is an unknown error.
  45 .Sh INTERFACE STABILITY
  46 .Sy Uncommitted
  47 .Sh MT-LEVEL
  48 .Sy MT-Safe
  49 .Sh SEE ALSO
  50 .Xr libproc 3LIB ,
  51 .Xr Pgrab 3PROC ,
  52 .Xr Pgrab_core 3PROC ,
  53 .Xr Pgrab_file 3PROC