0010-stddef.c - scc - simple c99 compiler
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       ---
       0010-stddef.c (662B)
       ---
            1 #include <assert.h>
            2 #include <stddef.h>
            3 #include <stdio.h>
            4 
            5 /*
            6 output:
            7 NULL = 0
            8 end:
            9 */
           10 
           11 typedef struct test Test;
           12 
           13 struct test {
           14         int a, b, c;
           15         char d;
           16 } test = {
           17         .a = 1,
           18         .b = 2,
           19         .c = 3,
           20         .d = 4,
           21 };
           22 
           23 int
           24 main()
           25 {
           26         wchar_t wc = L'c';
           27         char *q, *p = (char *) &test;
           28 
           29         printf("NULL = %p\n", NULL);
           30 
           31         p += offsetof(Test, d);
           32 
           33         assert(sizeof(size_t) == sizeof(ptrdiff_t));
           34         assert(wc == L'c');
           35         assert(*p == 4);
           36         assert(offsetof(Test, d) > offsetof(Test, a));
           37         assert(offsetof(Test, d) > offsetof(Test, b));
           38         assert(offsetof(Test, d) > offsetof(Test, c));
           39         assert(sizeof(sizeof(int)) == sizeof(size_t));
           40         assert(sizeof(p - q) == sizeof(ptrdiff_t));
           41 
           42         return 0;
           43 }