Function xrpl_hooks::_c::otxn_id

pub unsafe extern "C" fn otxn_id(
    write_ptr: u32, 
    write_len: u32
) -> i64

Retrieve the TXNID of the originating transaction. @param write_ptr A buffer at least 32 bytes long @param write_len The length of the buffer. @return The number of bytes written into the buffer or a negative integer on failure.