Why does this allow promotion from (char *) to (const char *)?

Question

Given that scanf has (const char *) in the documentation from Microsoft and the answer to this question what the heck is going when I do the same for (char **) promotion to

Answer 1

char** -> const char ** is dangerous, since you might end up accidentally modifying the underlying const object.

The correct way to write what you want is:

void processargs(const char * const *p)
{ 
}