C program

EMPS intranet

Hi! Hi! Start main()

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Value and type of last evaluated expression: Address of array element: Address of array elementx: (none)

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Code

 Header...
// Small 2-d allocation test

#define LEN 4
#define N 3
 int main(){
   ... 

»  float * *ar=NULL;

»  ar=malloc(4*sizeof *ar);
»  ar0=malloc(LEN*sizeof *ar[0]);
»  ar1=malloc(LEN*sizeof *ar[1]);
»  ar2=malloc(LEN*sizeof *ar[2]);
»  ar3=NULL;

»  ar[1]2=13.1;

»  return 0;
}

Memory

Allocated memory

128	129	130	131	132	133	134	135
128[0] = 906854579				128[1] = 151247196
136	137	138	139	140	141	142	143
128[2] = 545010939				128[3] =


152	153	154	155	156	157	158	159
152[0] = 1.0573e-21				152[1] = 6.72754e-26
160	161	162	163	164	165	166	167
152[2] = -1.03672e+26				152[3] = 1.47697e-38


176	177	178	179	180	181	182	183
176[0] = 7.74366e+20				176[1] = 9.73748e+33
184	185	186	187	188	189	190	191
176[2] = -5.89479e-36				176[3] = 1.17564e-38


200	201	202	203	204	205	206	207
200[0] = 1.03712e-24				200[1] = 9.58176e-35
208	209	210	211	212	213	214	215
200[2] = -1.87665e+30				200[3] = 1.48612e-38

main()
344	345	346	347
ar = NULL

NB: the actual memory address of each variable is the
address shown plus 4290660368 (0xFFBE4810).

The actual address of allocated memory is the
address shown plus 139752024 (0x8547258).

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Code

Allocated memory

main()