fork download
copy 
  1. #include <stdio.h>
  2.  
  3. void reverse(char *str){
  4.  
  5.     char * end1 = str;
  6.     char tmp = 'c';
  7.     if(str){
  8.         while(*end1){
  9.             ++end1;
  10.         }
  11.         --end1;
  12.  
  13.         while(str<end1){
  14.             tmp=*str;
  15.             *str=*end1;
  16.             *end1=tmp;
  17.             str++;
  18.             end1--;
  19.         }
  20.     }
  21. }
  22.  
  23. int main(void) {
  24. 	char x[] = "quick brown fox";
  25. 	reverse(x);
  26. 	printf("'%s'\n", x);
  27. 	return 0;
  28. }
  29.  
Success #stdin #stdout 0s 2008KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
'xof nworb kciuq'
https://ideone.com/KlpO1t
language:
C99 (gcc 8.3)
created:
10 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!