using namespace std;#include <stdio.h>#include <stdarg.h>#include <string>#include <iostream>#include "util.h"// start with verbosity of 0. Each -v given on the cmd line increases this.// -s sets it to -1.int verbosity = 0;void l7printf(int triviality, const char * format, ...){        if(triviality <= verbosity){	        va_list ap;                va_start(ap, format);                vprintf(format, ap);                va_end(ap);        }}// Returns the data with non-printable characters replaced with dots.// If the input length is zero, returns NULLstring friendly_print(unsigned char * s, int size){  string result = "";  for(int i = 0; i < size; i++){    if(isprint(s[i]) && s[i] < 128)     result += s[i];    else if(isspace(s[i]))              result += ' ';    else                                result += '.';  }  return result;}void print_give_up(string key, unsigned char * buf, int len){  if(len > 1){    l7printf(1, "Gave up: %s. ", key.c_str());    l7printf(1, "Data was:\n%s\n", friendly_print(buf, len).c_str());   }   else{    l7printf(2, "Gave up: %s. ", key.c_str());    l7printf(2, "No data in connection.\n");  }}