1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// STRINGS and CHARACTERS
//
// In memory, all data is expressed in BYTES.
// ∙ One byte is 8 bits. Ex: 01001010.
// ∙ One bit is 0 or 1. Ex: 0
// ∙ One nibble is 4 bits. Ex: 0100
//
// Character is one byte.
// A byte is a integer from 0 to 255 (00000000 to 11111111).
int main(int argc, char* argv[]) {
// char ch = 'A';
// char ch = 65;
// char ch = 0101; // octal
char ch = 0x41; // hexadecimal
printf("ch == '%c'\n", ch); // character literal
printf("ch == %d\n", ch); // integer literal in decimal notation
printf("ch == 0x%x\n", ch); // integer literal in hexadecimal notation
printf("ch == 0%o\n", ch); // integer literal in octal notation
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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