Use functions of vector when it's being referred to by a pointer.

#include "stdafx.h"
#include <string>
#include <fstream>
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <vector>

using namespace std;

vector<string>* nameList; // This stores all the possible names

// Defined later (all of the functions below this comment)
void read();
void select();

int main()
{
	read();
	select();

	system("PAUSE");
    return 0;
}

// Reads all the names from the doc. and adds them to a name vector
void read()
{
	fstream names; // Creats file i/o stream
	string line; // Temporary Line that gets cycled

	names.open("fnames.txt"); // Tells file stream to direct itself to the names document

	while(getline(names, line))
	{
		nameList.push_back(line);
	}

	names.close(); // Ends the file stream
}


// Randomly selects a name
string select()
{
	srand(time(NULL)); // Seeds the random number generator by the time

	cout << *nameList[rand() % nameList.size()] << endl; // Prints a value of the name selected to the index of random modulus max index (nameList[rand % maxIndex])
}