Linked Questions
149 questions linked to/from How can I initialize all members of an array to the same value?
67
votes
6
answers
237k
views
Zero an array in C code [duplicate]
Possible Duplicates:
How to initialize an array to something in C without a loop?
How to initialize an array in C
How can I zero a known size of an array without using a for or any other loop ?
...
- 1,344
28
votes
4
answers
290k
views
How to set all elements of an array to zero or any same value? [duplicate]
I'm beginner in C and I really need an efficient method to set all elements of an array equal zero or any same value. My array is too long, so I don't want to do it with for loop.
- 281
17
votes
5
answers
4k
views
c++ array initialization [duplicate]
Possible Duplicate:
array initialization, is referencing a previous element ok?
I wonder if its safe to do such initialization in c/c++ standard:
int a = 5;
int tab[] = { a , tab[0] + 1 , tab[1] };
...
- 1,311
7
votes
6
answers
20k
views
How to initialize an array with only -1 values [duplicate]
Possible Duplicate:
How to initialize an array in C
initializing an array of ints
I wonder over the fastest/simplest way to initialize an int array to only contain -1 values. The array I need is ...
- 5,241
9
votes
4
answers
8k
views
Initialize an array of structs in C or C99 to all the same values [duplicate]
Lets assume the following in C or C99:
typedef struct
{
int x;
double y;
} MY_S;
MY_S a[666] = {333, 666.6};
Does this initialize the first object of the array only? If yes, is there a way to ...
- 9,384
1
vote
2
answers
6k
views
How to initialize large size of array to 0 in C [duplicate]
I am trying to initialize all columns and rows of array of large size to 0, without using pointers in C. But sometimes it is getting a crash and sometimes it shows an error message about 'not enough ...
- 175
4
votes
2
answers
555
views
Why {0} assignation works but not {5} for an array [duplicate]
I tried the following code:
int a[4] = {0};
int b[4] = {5};
int c[4];
printf("%d %d %d %d %d %d\n", a[0], a[3] , b[0], b[3], c[0], c[3]);
And got the following result:
0 0 5 0 random random
While I ...
- 1,351
1
vote
2
answers
1k
views
How to create multiple global variables using a for loop outside of a function? [duplicate]
I have a list and I want to create a global counter for each item in the list, with the initial value set to 1. I thought I would do this with a for loop (my actual list is a lot bigger than the ...
- 492
4
votes
3
answers
359
views
Correct and simplest syntactical way to initialise an array to 0 [duplicate]
I am trying to find out the correct way to initialise an array to all zeros (i.e. as if you have done a memset on the array).
I have found the following methods from various areas in stack overflow (...
- 16.6k
0
votes
3
answers
971
views
Why a new string I create in C has ╠ instead of blanks? [duplicate]
When I intialize a string:
char pol[100];
and printf it, I get this weird ╠ sign 100 times.
My question is how to intialize a string, print it and get only blanks?
Thanks!
- 227
-2
votes
1
answer
2k
views
Simplest way to fill an array in a struct after declaration in one operation [duplicate]
I have a structure which contain a long array. I know that possible initialize an array when defined:
uint8_t array[] = {0x10, 0x11, 0xa2, 0xa5};
My question is: is it possible to set all elements of ...
- 135
-2
votes
1
answer
827
views
an array of people using structs in c? [duplicate]
I need to create an array of persons whilst using a struct something like this :-
typedef struct Person
{
int age; //needs to be randomly generated
int height; //needs to be ...
- 23
1
vote
1
answer
415
views
Initializing Variables from an Array of names and values [duplicate]
I am programming in C and have initialized 2 arrays as shown below:
char names[3][10] = {"foo","ba", "foofoo"};
int values[3] = {1,2,3};
I would like to initialize these in the form:
int foo = 1;
...
- 41
-2
votes
3
answers
205
views
Initialization of Chars [duplicate]
I have been wondering, why can I not write my code like so:
char myChar[50];
myChar = "This is a really cool char!";
Or at least like this:
char myChar[50];
myChar[0] = "This is a really cool char!";...
- 119
1
vote
2
answers
217
views
How to initialize a large private array in a class using constructor(just a constructor) in c++? [duplicate]
Suppose we have a class like the following one:
class myprogram {
public:
myprogram ();
private:
double aa,bb,cc;};
myprogram::myprogram():aa(0.0),bb(0.0),cc(0.0){}
As you can see we can initialize ...
