Question
1 : typedef long a;
extern int a c;
2 : typedef long a;
extern a int c;
3 : typedef long a;
extern a c;
Answer: Option C
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typedef long a;
extern int a c; while compiling this statement becomes extern int long c;. This will
result in to "Declaration syntax error".
typedef long a;
extern a int c; while compiling this statement becomes extern long int c;. This will
result in to "Too many types in declaration error".
typedef long a;
extern a c; while compiling this statement becomes extern long c;. This is a valid c
declaration statement. It says variable c is long data type and defined in some other file or module.
So, Option C is the correct answer.
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