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28 行
368 B
28 行
368 B
#include <stdio.h>
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int main()
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{
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int a;
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int *b;
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int *c;
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a = 42;
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b = &a;
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c = NULL;
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printf("%d\n", *b);
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if (b == NULL)
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printf("b is NULL\n");
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else
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printf("b is not NULL\n");
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if (c == NULL)
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printf("c is NULL\n");
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else
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printf("c is not NULL\n");
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return 0;
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}
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/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/
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