Function patch_seq_bi 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn patch_seq_bi(stack: Stack) -> Stack

bi: Apply two quotations to the same value.

Stack effect: ( ..a x quot1 quot2 – ..c ) where quot1 : ( ..a x – ..b ) quot2 : ( ..b x – ..c )

Equivalent to: >aux keep aux> call

Safety

• Stack must have at least 3 values (quot2 on top, quot1 below, value below that)
• Top two stack values must be Quotations or Closures