05-24-2012، 10:10 PM
کد:
#include <iostream>
#include <string>
using namespace std;
void main(void)
{
char ch='r';
char string[] =
"The quick brown dog jumps over the lazy fox";
char fmt1[] =
" 1 2 3 4 5";
char fmt2[] =
"12345678901234567890123456789012345678901234567890";
char* pdest;
int result;
cout<<"String to be searched: \n\t\t"<<string<<"\n";
cout<<"\t\t"<<fmt1<<"\n\t\t"<<fmt2<<"\n\n";
cout<<"Search char:\t"<<ch<<"\n";
/* Search forward. */
pdest=strchr(string, ch);
result=pdest - string + 1;
if( pdest != NULL )
cout<<"Result:\tfirst "<<ch
<<" found at position "<<result<<"\n\n";
else
cout<<"Result:\t"<<ch<<" not found\n";
/* Search backward. */
pdest=strrchr(string, ch);
result=pdest - string + 1;
if( pdest != NULL )
cout<<"Result:\tfirst "<<ch
<<" found at position "<<result<<"\n\n";
else
cout<<"Result:\t"<<ch<<" not found\n";
}
//end