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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

// Q:  But can I make all print_int_expression(…) calls go away just before I submit????
// A:  (see next example)

//#define I_AM_DEBUGGING
// Without this (↑) the print_int_expression(…) will not be defined.
/*
    t.c: In function ‘main’:
    t.c:18:2: warning: implicit declaration of function ‘print_int_expression’ [-Wimplicit-function-declaration]
      print_int_expression(3 + 5);  // prints:  3 + 5 == 8
      ^~~~~~~~~~~~~~~~~~~~
    /tmp/cckjqtHf.o: In function `main':
    /web/groups/ece264/22sp/lecture/20220210/snippets/t.c:18: undefined reference to `print_int_expression'
    collect2: error: ld returned 1 exit status

    shell returned 1
 */
#ifdef I_AM_DEBUGGING
#define print_int_expression(n) \
    ( printf("%s == %d\n", (#n), (n)) )
#endif


int main(int argc, char* argv[]) {
    print_int_expression(3 + 5);  // prints:  3 + 5 == 8
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

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