I am quite new to pointers and multi dimensional arrays.
In my code I imgData[0][0] to point to the value of v while imgData[0][1] points to reg.num.
What am I doing wrong?
Thanks
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#include <stdio.h>
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#include <string.h>
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struct Region
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{
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int num;
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int minX;
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int minY;
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int maxX;
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int maxY;
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int pixCount;
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};
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struct Region my_struct; /* define the structure */
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void show_name(struct Region *p); /* function prototype */
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int main(void)
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{
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struct Region *st_ptr; /* a pointer to a structure */
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st_ptr = &my_struct; /* point the pointer to my_struct */
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int *imgData[9][2];
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int v = 255;
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my_struct.num = 10;
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imgData[0][0] = &v;
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imgData[0][1] = &my_struct.num;
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printf("Test 1:%d\n",st_ptr->num);
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printf("Test 2:%d\n",my_struct.num);
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v=2;
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int i=0;
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for(i=0;i<9;i++){
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/** I would expect imgData[0] to be set with the struct and v values. */
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printf("%d - %d|%d\n", i,imgData[i][0],imgData[i][1] );
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}
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my_struct.num = 123;
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my_struct.minX = 63;
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show_name(st_ptr); /* pass the pointer */
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return 0;
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}
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void show_name(struct Region *p)
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{
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printf("\n%d ", p->num); /* p points to a structure */
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printf("%d ", p->minX);
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printf("%d\n", p->minY);
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}
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