Question

Sorry if this question is poorly worded (please edit it if it will make it easier for readers to understand me.)

I’m new to oop and was learning some C code. What does this last line of code mean? Is there a way to paradigmatically(I just made up this word) write it differently?

typedef struct _Song {
//some members
} Song;

Song * pSong=0;

Shouldn’t it be:

_Song * pSong=0;

Instead of:

Song * pSong=0;

…since Song is an object and _Song is a structure.

Answer 1

Song is nothing more than an alias for struct _Song (that’s what the typedef at the beginning means). There is absolutely no difference between the two, wrt their type.

In C++, the syntactic difference is even more marginal, since _Song is also an alias for struct _Song.