// Illustrates:
// printing the decimal value of a character
// printing the hexadecimal value of a character: %x
// strings are zero-terminated
//
// Compile: gcc decimalstrings.c
// Run: a.out
// Optional Compile: gcc -o decimalstrings decimalstrings.c
// Optional Run: decimalstrings
#include <stdio.h>
int main()
{
char aStr[] = "ABC";
printf("String variable: '%s'\n", aStr);
int i;
for (i=0; i < 3; i++)
{
// Print each character twice,
// first as a number, then as a character
printf("Character %d, decimal and character: %d, '%c'\n",
i, aStr[i], aStr[i]);
}
printf("\n"); // Print a blank line
// Print FOUR characters, and print hexadecimal value also
for (i=0; i < 4; i++)
{
// Print each character three times
printf("Character %d, decimal, hex, and character: %d, %x, '%c'\n",
i, aStr[i], aStr[i], aStr[i]);
}
}
/* Output:
String variable: 'ABC'
Character 0, decimal and character: 65, 'A'
Character 1, decimal and character: 66, 'B'
Character 2, decimal and character: 67, 'C'
Character 0, decimal, hex, and character: 65, 41, 'A'
Character 1, decimal, hex, and character: 66, 42, 'B'
Character 2, decimal, hex, and character: 67, 43, 'C'
Character 3, decimal, hex, and character: 0, 0, '^@'
*/