#include <stdio.h>

#include <iostream.h>

int i;
float f;
char s[20];

scanf("%d %f %s", &i, &f, s);

int i;
float f;
char s[20];

cin << i << f << s;

int i = 1;
float f = 2.5;
char s[] = "A string";

printf("Vars: %d, %f, %s", i, f, s);

int i = 1;
float f = 2.5;
char s[] = "A string";

cout << "Vars: " << i << ", " << f << ", " << s;

#include <stdlib.h>

#include <fstream.h>

//Pointer to file
FILE *fp;
//data for reading
int i;
float f;
char s[20];
//Open file for reading
fp = fopen("myfile.txt", "r");
//Check if file could be opened
if (fp == NULL)
{
   printf("Could not open file.\n");
   return -1;
}
//read in data
fscanf("%d %f %s",&i, &f, s);
//Close the file
fclose(fp)

//Pointer to file
ifstream iFile;
//data for reading
int i;
float f;
char s[20];
//Open file for reading
iFile.open("myfile.txt", ios::in);
//Check if file could be opened
if (!iFile)
{
   cerr << "Could not open file.\n";
   exit (-1);
}
//Read in data
iFile >> i >> f >> s;
//Close the file
iFile.close()

//Pointer to file
FILE *fp;
//data for writing
int i = 1;
float f = 0.5;
char s[] = "A String";
//Open file for writing
fp = fopen("myfile.txt", "w");
//Check if file could be opened
if (fp == NULL)
{
   printf("Could not open file.\n");
   return -1;
}
//read in data
fprintf(fp,"%d %f %s",&i, &f, s);
//Close the file
fclose(fp)

//Pointer to file
ofstream oFile;
//data for reading
int i = 1;
float f = 0.5;
char s[] = "A String";
//Open file for writing
oFile.open("myfile.txt", ios::out);
//Check if file could be opened
if (!oFile)
{
   cerr << "Could not open file.\n";
   exit (-1);
}
//Read in data
oFile << i << f << s;
//Close the file
oFile.close()

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s;
s = (struct studentRecord *)malloc(sizeof(struct studentRecord));

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s;
s = new studentRecord;

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s;
s = (struct studentRecord *)malloc(sizeof(struct studentRecord));
//Some code
free(s);

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s;
s = new studentRecord;
//Some code
delete s;

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

int i;
//s is an array of pointers to studentRecords.
struct studentRecord *s[];

for(i = 0; i < NUM_ELEMENTS; i++)
   s[i] = (struct studentRecord *)malloc(sizeof(struct studentRecord));

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s[];
for(int i = 0; i < NUM_ELEMENTS; i++)
   s[i] = new studentRecord;

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

int i;
//s is an array of pointers to studentRecords.
struct studentRecord *s[];

for(i = 0; i < NUM_ELEMENTS; i++)
   s[i] = (struct studentRecord *)malloc(sizeof(struct studentRecord));
//Some code
for(i = 0; i < NUM_ELEMENTS; i++)
   free(s[i]);

struct studentRecord {
   char fName[];
   char lName[];
   int ID;
};

struct studentRecord *s[];
for(int i = 0; i < NUM_ELEMENTS; i++)
   s[i] = new studentRecord;
//Some code
delete[] s;