15 lines
315 B
C
15 lines
315 B
C
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#include <stdio.h>
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#pragma pack(1) // 手动指定内存对齐，优点：可以减少内存的浪费，缺点：会降低内存的读取速度
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struct
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{
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char a;
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short b;
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int c;
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} p1;
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int main()
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{
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printf("p1 size: %lu B\n", sizeof(p1));
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printf("%p %p %p\n", &p1.a, &p1.b, &p1.c);
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return 0;
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}
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