Function pio_contingency_resolution_unresolved_count 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pio_contingency_resolution_unresolved_count(
    resolution: *const PioContingencyResolution,
) -> usize

The number of cases holding at least one action that did not bind.

Safety

Pointers and handles must satisfy the crate-level safety requirements.