14    void* vals[10];  in main()  local
17    vals[0] = (void*)0;  in main()
18    vals[1] = (void*)1;  in main()
19    vals[2] = ds - 0x1;          // small shrink  in main()
20    vals[3] = ds;  in main()
21    vals[4] = ds + 0x1000;       // small growth  in main()
22    vals[5] = ds + 0x40000000;   // too-big growth  in main()
23    vals[6] = ds + 0x500;        // shrink a little, but still above start size  in main()
24    vals[7] = ds - 0x1;          // shrink below start size  in main()
27    vals[8] = EOL;  in main()
29    for (i = 0; EOL != vals[i]; i++) {  in main()
30       res = (void*)syscall(__NR_brk, vals[i]);  in main()
35    for (i = 0; EOL != vals[i]; i++) {  in main()
36       res = (void*)(long)brk(vals[i]);  in main()