#include <QCoreApplication>
#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);


    return a.exec();
}

struct Contact{QString name;};

Contact *findFirst(const QString &name, QVector<Contact> &contacts) {
    for (auto c : contacts)
        if(c.name==name)
            return &c;
    return nullptr;
}