All Questions
6 questions
-1
votes
1
answer
57
views
Malloc Array, trouble printing in new function in C [duplicate]
Hi I've created an array and used malloc to store it so it could use it in a different function but now I'm running into problems with printing the array as it says:
warning: format '%d' expects ...
- 5
-3
votes
3
answers
3k
views
Why does using the "%s" format specifier to printf an array of char output additional nonsense values after the final char in the array? [duplicate]
I stumbled upon this behavior that I am curious to understand.
I mistakenly wrote the following at the end of a program to print the elements in an array of char :
printf("output: %s",outputText[]);
...
- 57
7
votes
4
answers
11k
views
2 ways of accessing value of an array of pointers in C
The first block
#include <stdio.h>
const int MAX = 3;
int main() {
int var[] = { 10, 100, 200 };
int i, *ptr[MAX];
for (i = 0; i < MAX; i++) {
ptr[i] = &var[i]; /...
- 3,789
3
votes
4
answers
134
views
Pointers holding something other than an adress? [C]
I've been studying C for a few months at university now, but I missed a lecture about pointers, so I tried to make up for it by studying it online and I thought I got it - but something I just ...
- 75
1
vote
2
answers
2k
views
Array prints just zeros
I have created an array with random numbers, but when I print the array they are all 0, what is wrong here? I know that the random numbers are there, but still zeros?
int superArray[SIZE];
int index, ...
- 19
-2
votes
4
answers
192
views
What is difference between hex and char array print?
I have written following programe in c
#include <stdio.h>
char str[]="hello world";
unsigned char hexvalue[] = {0x01,0x02,0x03,0x04,0x05};
int main()
{
int i;
printf("string %s \n", ...
- 26k