Function gstreamer_validate_sys::gst_validate_replace_variables_in_string

pub unsafe extern "C" fn gst_validate_replace_variables_in_string(
    incom: gpointer,
    local_vars: *mut GstStructure,
    in_string: *const c_char,
    flags: GstValidateStructureResolveVariablesFlags
) -> *mut c_char