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/* n_6.c: #include directive. */
#include "defs.h"
/* 6.1: Header-name quoted by " and " as well as by < and > can include
standard headers. */
/* Note: Standard headers can be included any times. */
#include "ctype.h"
#include <ctype.h>
main( void)
{
int abc = 3;
fputs( "started\n", stderr);
assert( isalpha( 'a'));
/* 6.2: Macro is allowed in #include line. */
#define HEADER "header.h"
#include HEADER
assert( MACRO_abc == 3);
/* 6.3: With macro nonsence but legal. */
#undef MACRO_abc
#define ZERO_TOKEN
#include ZERO_TOKEN HEADER ZERO_TOKEN
assert( MACRO_abc == 3);
fputs( "success\n", stderr);
return 0;
}
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