Answer Posted / chandra sekhar kommuri

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char st[100];
int i,count=0;
clrscr();
printf("Enter line of text:");
gets(st);
for(i=0;st[i]!='\0';i++)
switch(st[i])
{
case 'a':
case 'A':
case 'e':
case 'E':
case 'i':
case 'I':
case 'o':
case 'O':
case 'u':
case 'U':count++;
}
printf("\n Number of vowels:%d",count);
getch();
}

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