Srting Array: Write a programe to find vowels,consonants,words,letters,alphabet form a given string array

 Find vowels,consonants,words,letters,alphabet form a given string array 

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
 char a[100];
 int b,d,e,i,l,p;
 b=d=e=0;
 printf("\nEnter the string : ");
 gets(a);
 l=strlen(a);
 for(i=0;a[i]!='\0';i++)
  {
   if(a[i]=='a'||a[i]=='e'||a[i]=='i'||a[i]=='o'||a[i]=='u'||a[i]=='A'||a[i]=='E'||a[i]=='I'||a[i]=='O'||a[i]=='U')
   d++;
      if (a[i]==' ')
   e++;
   }
   p=l-(d+e);
   b=l-e;
   printf("\n\t No of vowels=%d \n",d);
   printf("\n\t No of consonants=%d \n ",p);
   printf("\n\t No of words=%d \n ",e+1);
   printf("\n\t No of total letters=%d \n",l);
   printf("\n\t No of alphabet=%d \n",b);
}