fig08_33.cpp

是有关C++编程原理教程的例子程序,全,应该对大家有所帮助

// Fig. 8.33: fig08_33.cpp
// Using strcmp and strncmp.
#include <iostream>
using std::cout;
using std::endl;

#include <iomanip>
using std::setw;

#include <cstring> // prototypes for strcmp and strncmp
using std::strcmp;                                     
using std::strncmp;                                     

int main()
{
   char *s1 = "Happy New Year";
   char *s2 = "Happy New Year";
   char *s3 = "Happy Holidays";
 
   cout << "s1 = " << s1 << "\ns2 = " << s2 << "\ns3 = " << s3 
      << "\n\nstrcmp(s1, s2) = " << setw( 2 ) << strcmp( s1, s2 ) 
      << "\nstrcmp(s1, s3) = " << setw( 2 ) << strcmp( s1, s3 ) 
      << "\nstrcmp(s3, s1) = " << setw( 2 ) << strcmp( s3, s1 );

   cout << "\n\nstrncmp(s1, s3, 6) = " << setw( 2 ) 
      << strncmp( s1, s3, 6 ) << "\nstrncmp(s1, s3, 7) = " << setw( 2 ) 
      << strncmp( s1, s3, 7 ) << "\nstrncmp(s3, s1, 7) = " << setw( 2 ) 
      << strncmp( s3, s1, 7 ) << endl;
   return 0; // indicates successful termination
} // end main

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