Function ly_err_clean 

pub unsafe extern "C" fn ly_err_clean(
    ctx: *const ly_ctx,
    eitem: *mut ly_err_item,
)

@brief Free error structures from a context.

If @p eitem is not set, free all the error structures.

@param[in] ctx Relative context. @param[in] eitem Oldest error structure to remove, optional.