malloc « Dimensional Array « C Array Q&A

1. c malloc for two dimensional array    stackoverflow.com

hi i have the following c code

   int *a;
   size_t size = 2000*sizeof(int);
   a = (int *) malloc(size);

2. C Programming: malloc() for a 2D array (using pointer-to-pointer)    stackoverflow.com

yesterday I had posted a question: How should I pass a pointer to a function and allocate memory for the passed pointer from inside the called function? From the answers I ...

3. malloc in C, but use multi-dimensional array syntax    stackoverflow.com

Is there any way to malloc a large array, but refer to it with 2D syntax? I want something like:

int *memory = (int *)malloc(sizeof(int)*400*200);
int MAGICVAR = ...;
MAGICVAR[20][10] = 3; //sets the ...

4. defining a 2D array with malloc and modifying it    stackoverflow.com

How do i define a 2D array using malloc ? (lets say 10X20). second, can i increase number of rows or cols without creating a new increased array and copying all data ...

5. Problem mallocing a 2d array    stackoverflow.com

I'm still new to C, malloc, and all that jazz, so I decided to write this to learn some more skills. The idea is, I'm reading in a bunch of ints ...

6. 2D Array Malloc    stackoverflow.com

Below is a part of a longer code where malloc'ing for a 2D array is done. Could anyone tell if this is correct? If I introduce static values, the code works ...

7. Problem with 2D array with malloc()    cboard.cprogramming.com

8. Multidimensional Array Malloc    cboard.cprogramming.com

Hello I am making my CPU burn hell and crash everytime I run this program, so there is some error either an infite loop or I dont know what, but it is meant to just assign on the fly from user input the number of rows, cols, and then i just fill content and print to see I did alright, but ...

9. Help with 2-D Arrays and Malloc    cboard.cprogramming.com

Hi guys, I seriously do not understand how to use malloc to create a two-dimensional array. I understand the concept of malloc and how you can use a pointer to basically create a 1-D array using it. The problem is, I do not understand this pointers to pointers stuff, I don't understand the syntax or how to get it to function ...

10. malloc 2D array    cboard.cprogramming.com

11. multidimensional array and malloc    cboard.cprogramming.com

12. malloc of a two-dimensional array    daniweb.com

char*tab_veld[80 = {0}; // assuming lengte is the number of columns in each row for(y=0;y< 80; ++y){ tab_veld[y] = malloc(lengte); memset(tab_veld[y], ' ', lengte); // set each column in this row to a space } // I don't know what posvisser means so I can't tell you if the next two lines are right or wrong. But what you want to ...

13. malloc multidimensional array question    tek-tips.com

A bit like this CODE #include #include #include /* we're going to make a char mystr[counter][6] array here */struct list { int counter; char (*mystr)[6]; /* a number of strings, max length of 5 (and a \0) */};void extend ( struct list *list ) { int newcounter = list->counter + 5; void *p ...

14. 2D array problem (pointers, malloc?)    tek-tips.com

beezo (Programmer) 15 Oct 03 0:41 I have a function that fills a 2D array with verticies but i want the 2D array to be declared outside the function, where the size is unknown. so the function only manipulates the array.I don't know what parameter to pass in, or how to declare the function. Can someone have a read, and tell ...