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 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// These macros are useless and are only for demonstrating #define macros doing other
// kinds of statements than what you've seen so far.
#define declare_and_initialize_to_5(var_name) int var_name = 5
#define return_var_times_100(var_name) return (var_name) * 100
static int _test_useless_macros() {
declare_and_initialize_to_5(clo);
// Expanded to: int clo = 5;
return_var_times_100(clo);
// Expanded to: return (clo) * 100;
}
int main(int argc, char* argv[]) {
printf("_test_useless_macros() returned %d.\n",
_test_useless_macros());
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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