pointing to a character in a string using an integer

Question

#include<stdio.h>
main()
{
  char s[]="man";
  int i=0;
  printf("%c%c\n",s[i],i[s]);
}

o/p: m m

*Both s[i] and i[s] prints 'm' and 'm'. *However s[i]=m, that is acceptable,but how i[s]=m ??
*Can any one explain me about this please.

Hoosh.....not again...please do a search before posting, at least. — Sourav Ghosh, Aug 14 '15 at 11:42
http://stackoverflow.com/questions/381542/with-c-arrays-why-is-it-the-case-that-a5-5a — artm, Aug 14 '15 at 11:45
As there are no distinguishing keywords, the dupe is hard to find with a search. — Klas Lindbäck, Aug 14 '15 at 12:00

score 1 · Answer 1 · answered Aug 14 '15 at 11:46

1

It's because s[i] is equivalent to *(s + i), and due to the commutative properties of addition, *(s + i) is equal to *(i + s) which leads to i[s] being valid.

answered Aug 14 '15 at 11:46

Some programmer dude

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pointing to a character in a string using an integer

1 Answers1