returns number of resolved entries

update DB_STENCIL_CLEAR and DB_STENCIL_CLEAR based on clear flags

Temporarily change current directory

decrement only if non-zero otherwise wait may wake up spuriously

* Returns true if the file object is a file */

* Delete file or subdirectory */

* Attempts to load a integer option * Allows to specify min and max value (error is logged if out of range and default value is picked) */