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Posted 27 Oct 2001

How to write a simple but effective TCP/IP port scanner for Win32

, 27 Oct 2001
An article on how to write a TCP/IP port scanner with a GUI, based on the MFC's property sheet paradigm
	Macro di utilizzo generico.
	Luca Piergentili, 27/07/93
#ifndef _MACRO_H
#define _MACRO_H 1

#define nop

	dimensione della macro
#define sizeofmacro(m) (sizeof(m)-1)

	dimensione dell'array
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))

	test in linea
#define IIF(x,y,z) ((x)?(y):(z))

	evita la divisione per zero
#define DIV(x,y) (((y)==0) ? ((x)/1) : ((x)/(y)))
#define FDIV(x,y) (((y)==0.0) ? ((x)/1) : ((x)/(y)))

	converte in stringa il valore numerico
	il primo passaggio espande il valore numerico (sostituisce il nome di macro con il numero),
	mentre il secondo trasforma in stringa il valore (ad es. STR(666) viene espanso in "666")
#define STR(x) VAL(x)
#define VAL(x) #x

	permette il cast sulle macro se non si puo' accedere direttamente al valore della costante
	(ad es. se BYTEMASK vale 0xff, espande CAST(BYTEMASK,L) in 0xffL).
#define EXPAND(x)	x
#define PASTE(x,y)	(x##y)
#define CAST(x,y)	PASTE(EXPAND(x),y)

	indenta i messaggi inviati con la direttiva #pragma
#ifdef _DEBUG
  #define PRAGMAMESSAGE(s) "   "s
  #define PRAGMA_MESSAGE(s) message(PRAGMAMESSAGE(s))
  #define PRAGMAMESSAGE(s)
  #define PRAGMA_MESSAGE(s)

#endif /* _MACRO_H */

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About the Author

Luca Piergentili
Web Developer
Italy Italy
I like C and C++, Acid Jazz, James Brown, gli Spaghetti Aglio e Olio, alla Bolognesa, alla Puttanesca e le Fettuccine alla Matriciana ('Maccaroni' over the world). Of course I like beautiful big tits girls too, my little car, Frank Zappa, the art of Zen, italian coffee and much more...

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