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 31 32 33 34 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#define log_str(n) printf("%s == %s\n", (#n), (n))
int main(int argc, char* argv[]) {
//char stack_str[] = "hello";
char* data_str = "hello";
// can always make an address more const than it was before
char const* const_value_str = data_str;
char* const const_addr_str = data_str;
char const* const fully_const_str = data_str;
log_str(const_value_str);
log_str(const_addr_str);
log_str(fully_const_str);
// cannot assign, discards const
//char* discard_const_value = const_value_str;
// valid because I am copying the character,
// not modifying the original
char ch = const_value_str[0];
printf("%c\n", ch);
// valid becuase I am copying the address
char* discard_const_addr = const_addr_str;
log_str(discard_const_addr);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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