Method find

src/e9patch/e9misc.cpp:128–132

* Find the instruction for the given offset. */

 * Find the instruction for the given offset.
 */
Instr *InstrSet::find(off_t offset) const
{
    Instr *I = lower_bound(offset);
    return (I == nullptr || (off_t)I->offset != offset? nullptr: I);
}