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char buf1[6]={0x11,0x22,0x33,0x44,0x55,0x66};
char buf2[20];
memset(buf2,0,20);
for(int i=0;i<sizeof(buf1);i++)
{
sprintf(buf2 + strlen(buf2),"%02X",buf1[i]);
}
printf("buf2:%s\n",buf2);
c 16进制数组转换成ASCII字符串
原文地址：http://www.cnblogs.com/qk2015/p/4729076.html
