#include<stdio.h>#include"utstring.h"intmain(){UT_string*s;charbinary[]="\xff\xff";utstring_new(s);utstring_bincpy(s,binary,sizeof(binary));printf("length is %u\n",(unsigned)utstring_len(s));utstring_clear(s);utstring_printf(s,"number %d",10);printf("%s\n",utstring_body(s));utstring_free(s);return0;}