[tgv]

Are those consts really necessary? There are also a few character missing after char *d.

[mananaysiempre]

> Are those consts really necessary?

Technically yes, initializing a plain char * from a const char * (from array decay) is a constraint violation (an error the standard requires the compiler to detect and complain about) even in C89. Many compilers will let you off with a warning though.

[junon]

which characters are missing?

[huhtenberg]

"]=" after "*d["

[junon]

It's not necessary in C.

[huhtenberg]

   const char *d[{"First","Second",...,"Twelf"};

is not a valid C unconditionally.

[tgv]

You should tell my compiler.