Read string and output the frequency of each character in that string
#include"stdio.h"
#include"conio.h"
void main()
{
 char ch,*str;
 int cnt,n,i,j;
 clrscr();
 printf("\n\nEnter the string=");
 gets(str);
 n=strlen(str);
 for(i=0;i"n;i++)
 {
  ch=str[i];
  if(ch!=' ')
  {
   cnt=0;
   for(j=0;j"n;j++)
   {
   if(ch==str[j])
   {
    cnt++;
    str[j]=' ';
   }
   }
   printf("\n\n%c occurs %d times.",ch,cnt);
  }
 }
 getch();
}