Answer / mohammed anas

declaration:
for example,int i;
definition:
declaration as well as initialisation is known as definition
for example int i=25;

Answer / code00002

A declaration introduces an identifier and describes its
type, be it a type, object, or function. A declaration is
what the compiler needs to accept references to that
identifier. These are declarations:

extern int bar;
extern int g(int, int);
double f(int, double); // extern can be omitted for function
declarations
class foo; // no extern allowed for class declarations

complete on http://answerwale.co.cc/?p=39#comment-23

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