Permutations of a String

PermutationsOfString.c

#include<stdio.h>

void swap(char **s, int low, int high){

 char temp;
 temp = (*s)[low];
 (*s)[low] = (*s)[high];
 (*s)[high] = temp;
  
 // printf("%s\n",*s);

}

int permute(char *s, int low, int high){

int i;

if(low == high){
 printf("%s\n",s);
}



for(i = low; i <= high; i++){
swap(&s,low,i);
permute(s,low+1,high);
swap(&s,low,i);

}
return 0;
}


int main(){

char s[] = "abc";
permute(s, 0, 2);
return 0;

}