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Hi!   Hi!           Start main()

Try stepping through the code


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

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Code

 Header...

#define NDIM 2
typedef struct particle {
  float mass;
  float x[NDIM];
}Particle;


 int main(){
   ... 

»  int n=4;
»  Particle *p;

»  for ( int i=0;i<n; ++i) 
    p=malloc(sizeof *p);

»  return 0;


}
Memory

Allocated memory

128
129
130
131
132
133
134
135
128.mass = -7.29316008e+29
128.x[0] = -11.982
136
137
138
139
128.x[1] = 1.82776e-38

144
145
146
147
148
149
150
151
144.mass = -3.72868811e+25
144.x[0] = 116.093
152
153
154
155
144.x[1] = 1.79069e-38

160
161
162
163
164
165
166
167
160.mass = 1.22264403e-14
160.x[0] = -3.70394e-16
168
169
170
171
160.x[1] = 1.94798e-38

176
177
178
179
180
181
182
183
176.mass = -9619464
176.x[0] = 1.02153e+09
184
185
186
187
176.x[1] = 1.90752e-38

main()

320
321
322
323
324
325
326
327
n = 4
p = -4152465293

main(): for()

328
329
330
331
i = 0

NB: the actual memory address of each variable is the
address shown plus 4287002080 (0xFF8675E0).

The actual address of allocated memory is the
address shown plus 153084504 (0x91FE258).

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