24 lines
447 B
C
24 lines
447 B
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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typedef struct{void*super;int name;int size;}t;
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t*f(t*clas,int size)
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{
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t*child=(t*)malloc(size);
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memcpy(child,clas,clas->size);
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child->super=clas;
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child->name=0;
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child->size=size;
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return child;
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}
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main()
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{
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t foo,*bar;
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memset(&foo,37,sizeof(t));
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foo.size=sizeof(t);
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bar=f(&foo,sizeof(t));
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if(bar->super!=&foo||bar->name!=0||bar->size!=sizeof(t))abort();
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exit(0);
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}
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