seniorObjective-C
What is symbol interposition in dynamic linking?
Updated May 17, 2026
Short answer
Symbol interposition allows overriding functions at link/runtime level.
Deep explanation
Dynamic linker resolves symbols from multiple libraries. If same symbol exists, one may override another based on order, enabling interposition used in debugging or SDK injection.
Unlock with a Pro subscription to view this section.
View pricingReal-world example
No real-world example available yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProCommon mistakes
No common mistakes listed yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProFollow-up questions
No follow-up questions available yet.
Unlock with a Pro subscription to view this section.
Upgrade to Pro