search2.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

bool str_equal(const char* a_, const char* b_) {

return ::strcmp(a_, b_) == 0 ? 1:0;

}

char* grades[] = {"A", "B", "C", "D", "F"};

char* letters[] = {"Q", "E", "D"};

int main() {

const unsigned gradeCount = sizeof(grades) / sizeof(grades[0]);

const unsigned letterCount = sizeof(letters) / sizeof(letters[0]);

ostream_iterator ‹char*› iter(cout, " ");

cout ‹‹ "grades: ";

copy(grades, grades + gradeCount, iter);

cout ‹‹ " letters:";

copy(letters, letters + letterCount, iter);

cout ‹‹ endl;

char** location = search(grades, grades + gradeCount, letters, letters + letterCount, str_equal);

if (location == grades + gradeCount) cout ‹‹ "letters not found in grades" ‹‹ endl;

else cout ‹‹ "letters found in grades at offset: " ‹‹ location - grades ‹‹ endl;

copy(grades + 1, grades + 1 + letterCount, letters);