Question about programming in C

Q1. chis below piece of code compile correctly or not: If not, vhy? void incrementAl phabet ( ){ . How about this one: If not, why? void incrementAlphabet (char thecharacter) ( 23. And this: If not, why? int incrementAlphabet ( return 'k 04 - And this one: If not, whya int incrementAlphabet (char thecharacter) t return 0: 25. How about this one: If not, why? char incrementAlphabet (char thecharacten)t returnk