
void main()
{
char ch;
printf("Enter character: ");
ch = getche();
if(ch=='a' || ch=='e' || ch=='i' || ch=='o' || ch=='u' )
printf("%c is vowel", ch);
else
printf("%c is not a vowel", ch);
getch();
}
void main()
{
char c;
clrscr();
printf("Enter a character");
scanf("%c",&c);
if(isupper(c))
{
printf("\nCharacter %c is in Uppercase");
}
else
if(islower(c))
{
printf("\nCharacter %c is in Lowercase");
}
else
if(isdigit(c))
{
printf("\nCharacter %c is a digit");
}
else
{
printf("\nCharacter %c is a special character");
}
getch();
}
void main()
{
char ch;
clrscr();
while(1)
{
printf("\nEnter character (press 0 - exit)");
ch = getche();
if(ch=='0')
{
exit(1);
}
else
if(ch>=65 && ch<=90)
{
printf("Capital letter");
}
else
if(ch>=97 && ch<=122)
{
printf("Small letter");
}
else
if(ch>=48 && ch<=57)
{
printf("Digit");
}
else
{
printf("Special character");
}
getch();
}
}
void main()
{
char ch;
clrscr();
printf("Enter Character in Lowercase: ");
ch = getche();
ch = ch-32;
printf("\nLetter in Uppercase is %c",ch);
getch();
}
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