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.Dd May 11, 2016 .Dt PGRAB_ERROR 3PROC .Os .Sh NAME .Nm Pgrab_error .Nd get Pgrab error message string .Sh SYNOPSIS .Lb libproc n libproc.h .Ft "const char *" .Fo Pgrab_error .Fa "int error" .Fc .Sh DESCRIPTION The .Fn Pgrab_error function returns a pointer to a human-readable character string describing the error that occurred. This function only knows how to translate errors that are stored in .Fa perr during a failed call to .Xr Pgrab 3PROC , .Xr Pfgrab_core 3PROC, .Xr Pgrab_core 3PROC , or .Xr Pgrab_file 3PROC . .Sh RETURN VALUES The .Fn Pgrab_error function always returns a pointer to a character string that describes the error that occurred, even if it is an unknown error. .Sh INTERFACE STABILITY .Sy Uncommitted .Sh MT-LEVEL .Sy MT-Safe .Sh SEE ALSO .Xr libproc 3LIB , .Xr Pgrab 3PROC , .Xr Pgrab_core 3PROC , .Xr Pgrab_file 3PROC