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/* n_18.c: #define directive. */
#include "defs.h"
main( void)
{
int c = 3;
/* Excerpts from ISO C 6.8.3 "Examples". */
#define OBJ_LIKE (1-1)
#define FTN_LIKE(a) ( a )
fputs( "started\n", stderr);
/* 18.1: Definition of an object-like macro. */
assert( OBJ_LIKE == 0);
#define ZERO_TOKEN
#ifndef ZERO_TOKEN
fputs( "Can't define macro to 0-token.\n", stderr);
exit( 1);
#endif
/* 18.2: Definition of a function-like macro. */
assert( FTN_LIKE( c) == 3);
/* 18.3: Spelling in string identical to parameter is not a parameter. */
#define STR( n1, n2) "n1:n2"
assert( strcmp( STR( 1, 2), "n1:n2") == 0);
fputs( "success\n", stderr);
return 0;
}
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