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