字节序转换以及判断字节序

#include<arpa/inet.h>
#include<stdio.h>
//judge host endian
void judge_host_endian()
{
	short arg = 0x0102;
	short* ap = &arg;
	char* temp = (char*)ap;
	if(*temp==0x01)
	{
		puts("host:big-endian");
	}
	else if(*temp==0x02)
	{
		puts("host:small-endian");
	}
}
//judge net endian
void judge_net_endian()
{
	uint16_t arg = htons((uint16_t)0x0102);
	short* ap = &arg;
	char* temp = (char*)ap;
	if(*temp==0x01)
	{
		puts("net:big-endian");
	}
	else if(*temp==0x02)
	{
		puts("net:small-endian");
	}
}
int main()
{
	judge_host_endian();
	judge_net_endian();
	return 0;
}