Function duckdb_struct_type_child_name 

pub unsafe extern "C" fn duckdb_struct_type_child_name(
    type_: duckdb_logical_type,
    index: idx_t,
) -> *mut c_char

Retrieves the name of the struct child.

The result must be freed with duckdb_free.

@param type The logical type object @param index The child index @return The name of the struct type. Must be freed with duckdb_free.