Code:
#include stdio.h>
#include string.h>
#include ctype.h>
struct detail
{
char word[20];
};
int update(struct detail [], const char [], int);
int vowelcheck(char);
int main()
{
struct detail s[10];
char string[100], unit[20], c;
int i = 0, j = 0, count = 0;
printf("Enter string: ");
i = 0;
do
{
fflush(stdin);
c = getchar();
string[i++] = c;
} while (c != '\n');
string[i - 1] = '\0';
printf("The string entered is: %s\n", string);
for (i = 0; i < strlen(string); i++)
{
while (i < strlen(string) && string[i] != ' ' && isalnum(string[i]))
{
unit[j++] = string[i++];
}
if (j != 0)
{
unit[j] = '\0';
count = update(s, unit, count);
j = 0;
}
}
printf("**Words with consecutive vowel**\n");
for (i = 0; i < count; i++)
{
printf("%s\n", s[i].word);
}
return 0;
}
int update(struct detail s[], const char unit[], int count)
{
int i, j = 0;
for (i = 0; i < strlen(unit) - 1; i++)
{
if (vowelcheck(unit[i]))
{
if (vowelcheck(unit[i+ 1]))
{
/*To avoid duplicate strings*/
while (j < count && strcmp(s[j].word, unit))
{
j++;
}
if (j == count)
{
strcpy(s[j].word, unit);
return (count + 1);
}
}
}
}
return count;
}
int vowelcheck(char c)
{
char vowel[5] = {'a', 'e', 'i', 'o', 'u'};
int i;
c = tolower(c);
for (i = 0; i < 5; i++)
{
if (c == vowel[i])
{
return 1;
}
}
return 0;
}
Output:
Enter string: Who will lead his team to victory
The string entered is: Who will lead his team to victory
**Words with consecutive vowel**
lead
team
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