How to find out vowels in my name

Program in C language:

#include<stdio.h>
#include<conio.h>
#include<string.h>

void main()
{
char c[30];
int i,a=0;
clrscr();
        printf("Enter your name\n");
        scanf("%s",c);
for(i=0;i<strlen(c);i++);
{
if(c[i]=='a'¦¦c[i]=='e'¦¦c[i]=='i'¦¦c[i]=='o'¦¦c[i]=='u')
{
   printf("vowels are=%c\n", c[i]);
   a++;
        }}
 printf("total=%d",a);
         getch();
}


In the above program, I'm not to put output. So, check the output, if there is any mistake or doubt in this program. share your comments below.
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