HexString

/**
* File: hexstring.c
* Author: Lvlin
* Date: 星期日, 九月 21 2008
* Abstract: get the C pattern string for inputs
*         
*/
#include <stdlib.h>
#include <stdio.h>

int main(int argc, char * argv[])
{
       char c=0;
       while(EOF != scanf("%c",&c))
       {
               if('\n' == c)
                       // ignore the input of carry,
                       // print it directly
                       printf("\n");
               else
                       // & 0xFF to keep the only low 8 bits
                       printf("\\x%x",c & 0xFF);
       }
       printf("Done!\n");
       return 0;
}