variable « memory « C Array Q&A

1. C language: How to share a struct (or, if not possible, an array) between parent and child (forked) processes through IPC?    stackoverflow.com

I googled this for the past two weeks and I didn't get any answer. This is what I have:

• A parent process, which creates a struct myStruct that is basically a linked ...

2. why is array size limited when declared at compile time?    stackoverflow.com

for example I can do

int *arr;
arr = (int *)malloc(sizeof(int) * 1048575);

int arr[1048575];

3. Allocating Memory for a variable-sized array of Structs    bytes.com

> The following code: > > #include > > // const int const_asize = 10; > #define define_asize = 10; > > int array[define_asize] = {1,2,3,4,5,6,7,8,9,0};[/color] You don't need the size. The compiler can count the initializers and size the array for you : int array[] = {1,2,3,4,5,6,7,8,9,0}; You can retreive the size by applying the definition of an array ...