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  1.     #include <stdio.h>
  2.     #include <string.h>
  3.  
  4.     char* reverStr(const char *str, char * revStr)
  5.     {
  6.     int i,j;
  7.     for(i =0,j=strlen(str); j>=0; i++,j--)
  8.     {
  9.     if(j==strlen(str))
  10.     {
  11.     revStr[strlen(str)] = 0;
  12.     i = -1;
  13.     continue;
  14.     }
  15.     revStr[j] = str[i];
  16.     }
  17.     printf("returned value should be %s\n", revStr);
  18.     return revStr;
  19.     }
  20.  
  21.  
  22.     int main()
  23.     {
  24.     char aStr[] = "hello";
  25.     char aStr2[] = "goodbye";
  26.     char revarr[strlen(aStr)+1];
  27.     printf("%s %s %d", aStr, aStr2,strlen(aStr));
  28.     char* tmp = reverStr(aStr,revarr);//tmp now has garbage
  29.     printf("\n%s", tmp);
  30.     printf(" %s", aStr);
  31.     return 0;
  32.     }
Success #stdin #stdout 0s 2292KB
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Standard input is empty
stdout
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hello goodbye 5returned value should be olleh

olleh hello
https://ideone.com/iMQfoe
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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