libkern/c%2B%2B/OSRuntime.cpp

90 struct _mhead {
100     struct _mhead * mem;
107     mem = (struct _mhead *)kalloc(memsize);
127     struct _mhead * hdr;
133     hdr = (struct _mhead *)addr;
154     struct _mhead * ohdr;
155     struct _mhead * nmem;
162     ohdr = (struct _mhead *)addr;
175     nmem = (struct _mhead *) kalloc(nmemsize);
200     struct _mhead * hdr;
206     hdr = (struct _mhead *) addr; hdr--;
207     return hdr->mlen - sizeof (struct _mhead);