TIOBE - C Coding Standard

SR: 8.9#2

Synopsis:	An identifier declared as a typedef, must not be redeclared as a member of a struct or union without a type specifier.
Language:	C
Severity Level:	4
Category:	DECLARATIONS

Description:

A typedef redeclared as some other type between its definition and its use within a structure or union will result in undefined behaviour.

Example:

typedef int number;
...
{
int number; /* hides typedef name */
...
struct vector
{
const number;
...
} object;
...
}