Question about programming in C

Lab 3: 21. this below piece of code compile correctly or not: If not, why? void incrementAlphabet 22. How about this one: If not, why? void incrementAlphabet (char theCharacter) ( 93. And this: If not, why? int incrementAlphabet() ( return k 24 And this one: If not, why? int incrementAlphabet (char theCharacter) ( return 0: 25. How about this one: If not, why? char incrementAlphabet (char thecharacter) t return k