fork(2) download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void changeBuff(unsigned char ** b)
  5. {
  6. 	(*b)[0] = 0x12;
  7. 	(*b)[1] = 0x34;
  8. }
  9.  
  10. int main(void) {
  11. 	unsigned char * buf = (unsigned char *)malloc(sizeof(unsigned char) * 2);
  12. 	buf[0] = 0x55;
  13. 	buf[1] = 0xAA;
  14. 	printf("%x\t%x\n", buf[0], buf[1]);
  15. 	changeBuff(&buf);
  16. 	printf("%x\t%x\n", buf[0], buf[1]);
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 10304KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
55	aa
12	34
https://ideone.com/QrRmIm
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!