#include <stdio.h>
#include <string.h>
/* Compile: cc -g -ansi -pedantic -Wall -O2 -o array array.c */
/* Run: ./array */
int
main()
{
  int i;
  char mystring[] = "'Hello, world!'";
  for (i = 0; i < strlen(mystring); i++)
    printf("%c", mystring[i]);
  printf("\n");
  return 0;
}

#include <stdio.h>
#define ROW 4
#define COLUMN 3
/* Compile: cc -g -ansi -pedantic -Wall -O2 -o multi-array multi-array.c */
/* Run: ./multi-array */
int
main()
{
  int i = 0, j = 0;
  int mynumbers[ROW][COLUMN] = { {1, 2, 3},
                                 {4, 5, 6},
                                 {7, 8, 9},
                                 {10, 11, 12} };
  /* Print the numbers, one by one. */
  for (i = 0; i < ROW; i++) {
    for (j = 0; j < COLUMN; j++)
    {
        printf("[%d][%d] = %i\n", i, j, mynumbers[i][j]);
    }
    printf("\n");
  }
  return 0;
}