What does the question mark and the colon (?: ternary operator) mean in objective-c?

What does the question mark and the colon (?: ternary operator) mean in objective-c?

objective-c c syntax operators conditional-operator

c

Why does "sizeof(a ? true : false)" give an output of four bytes?

c boolean sizeof conditional-operator c11

c

The ternary (conditional) operator in C

c operators ternary-operator conditional-operator

c

Conditional operator differences between C and C++

c++ c conditional-operator

c

?: ternary conditional operator behaviour when leaving one expression empty

c ternary-operator conditional-operator ternary

c

Is this ternary conditional ?: correct (Objective) C syntax?

objective-c c ternary-operator conditional-operator

c

Why would you use the ternary operator without assigning a value for the "true" condition (x = x ?: 1)

c gcc android-emulator conditional-operator qemu

c

Why is the conditional operator right associative?

c conditional-operator

c