Function eval_state_builder_new 

pub unsafe extern "C" fn eval_state_builder_new(
    context: *mut c_context,
    store: *mut Store,
) -> *mut eval_state_builder

@brief Create a new nix_eval_state_builder @ingroup libexpr_init

The settings are initialized to their default value. Values can be sourced elsewhere with nix_eval_state_builder_load.

@param[out] context Optional, stores error information @param[in] store The Nix store to use. @return A new nix_eval_state_builder or NULL on failure. Call nix_eval_state_builder_free() when you’re done.