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2 - 1 
unsigned long
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ntohl(unsigned long x)
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{
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	unsigned long n;
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	unsigned char *p;
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	n = x;
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	p = (unsigned char*)&n;
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	return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
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}
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unsigned long
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htonl(unsigned long h)
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{
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	unsigned long n;
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	unsigned char *p;
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	p = (unsigned char*)&n;
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	p[0] = h>>24;
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	p[1] = h>>16;
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	p[2] = h>>8;
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	p[3] = h;
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	return n;
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}
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unsigned short
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ntohs(unsigned short x)
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{
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	unsigned short n;
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	unsigned char *p;
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	n = x;
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	p = (unsigned char*)&n;
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	return (p[0]<<8)|p[1];
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}
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unsigned short
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htons(unsigned short h)
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{
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	unsigned short n;
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	unsigned char *p;
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	p = (unsigned char*)&n;
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	p[0] = h>>8;
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	p[1] = h;
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	return n;
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}