If the instruction at ‘ea’ looks like an alignment instruction,
return its length in bytes. Otherwise return 0.
Is the instruction the end of a basic block?
Is the instruction a “call”?
Is the instruction an indirect jump?
@}
Get start of next defined item.
\param ea begin search at this address
\param maxea not included in the search range
\return #BADADDR if none exists.
Get start of previous defined item.
\param ea begin search at this address
\param minea included in the search range
\return #BADADDR if none exists.