Sample C Program To Accept A String & Display Vowels.

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

char vowels(char *p);

void main()
{

char str[20];
clrscr();

printf(" \n \n Enter the string: \t ");
gets(str);

vowels(str);
getch();

}

char vowels(char *p)
{

int i,l;
l = strlen(p);

printf(" \n \n The vowels in the string are: \t ");
for( i = 0; i < l; i++ )
 {
  if(p[i] == 'a' || p[i] == 'e' || p[i] == 'i' || p[i] == 'o' || p[i] == 'u'|| p[i] == 'A' || p[i] == 'E' || p[i] == 'I' || p[i] == 'O' || p[i] == 'U')
   {
     printf("%c",p[i]);
   }
  else
     continue;
 }
return 1;

}

OUTPUT: 

Enter the string: Malayalam
The vowels in the string are: a a a



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