*storage class doubt

 float x = 4.5 ;

main( )

{

float y, float f ( float ) ;

x *= 2.0 ;

y = f ( x ) ;

printf ( "\n%f %f", x, y ) ;

}

float f ( float a )

{

a += 1.3 ;

x -= 4.5 ;

return ( a + x ) ;

}

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main( )

{

int x, y, s = 2 ;

s *= 3 ;

y = f ( s ) ;

x = g ( s ) ;

printf ( "\n%d %d %d", s, y, x ) ;

}

int t = 8 ;

f ( int a )

{

a += -5 ;

t -= 4 ;

return ( a + t ) ;

}

g ( int a )

{

a = 1 ;

t += a ;

return ( a + t ) ;

}