structure « initialization « C Array Q&A

1. C initialize array within structure    stackoverflow.com

I want to have an variable-length array contained within a structure, but am having trouble initializing it correctly.

struct Grid {
  int rows;
  int cols;
  int grid[];
}

int main() {
 ...

2. Initialization of Array inside a Structure in C    stackoverflow.com

I'm trying to allow a variable length array inside a struct in a C program. Something like this:

struct result{
    int column;
    int row;
   ...

3. Quickest way to initialize an array of structures to all-0's?    stackoverflow.com

I'm trying to initialize an array of structures to all-0's, using the below syntax:

STRUCTA array[MAX] = {0};

4. How to initialize array of structure in C?    stackoverflow.com

Could someone please help me by telling me how to initialize array of structure in C? The scenario is that I have nested structure definition, and I have an array of 10 ...

5. How to initialize array of pointers to structures?    stackoverflow.com

I've an array of pointers to structure. Can i initialize all them to NULL as below??

struct hash
{
    int bid;
    struct hash *prev,*next,*fl,*fr;
};

struct hash *h[4]={NULL,NULL,NULL,NULL};

6. Using C99 "restrict" with newly allocated and initialized arrays/structures    bytes.com

rainy6144@gmail.com Does the following code have defined behavior? double *new_array(unsigned n) { double *p = malloc(n * sizeof(double)); unsigned i; for (i = 0; i < n; i++) p[i] = 0.0; return p; } int main(void) { double *restrict x = new_array(10), *restrict y = new_array(10); x[0] = 1.0; y[0] = 2.0; return (int) x[0]; } The use of "restrict" here ...

7. initializing array of structures    bytes.com

Hi, I am unable to intialize an array of structures and I keep getting an error. Here is how the data structure looks like. typedef struct { struct { int part_no; char item_name[65]; }ItemList[10]; }MACHINE; I also have an array of two elements each of which is of type MACHINE. MACHINE category[2]; I want to initialise all the 10 elements of ...

8. How to initialize and array in a structure?    bytes.com

How do I set the value of a[0] = 3 in the following lines of code? #include struct letter{ char a[0]; }; struct add { struct letter addit; }; int main(void) { struct add test; return 0; } when I try something like test.add=3 or test.addit.a=3, the compiler gives me the warning 'incompatible types in assignment'. Thanks in advance Chad ...

9. Initializing an array inside of a structure    cboard.cprogramming.com

10. Initializing array of structures causing bus error    cboard.cprogramming.com

GraphP newGraph(int length) { GraphP newGraph = (GraphP)malloc(sizeof(GraphP)); /* Initialize other variables of newGraph. */ newGraph->nodes = (NodeP*)calloc(length, sizeof(NodeP)); NodeP testNode = newNode(); // A test node pointer. // Set all the elements of newGraph->nodes to equal testNode. int i; for(i = 0; i < length; i++) newGraph->nodes[i] = testNode; // Bus error here. return newGraph; }

11. trying to initialize an array of structures    cboard.cprogramming.com

12. Initialization of Array inside a Structure    daniweb.com