Q:

Remove vowels from a string in C

hamza
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2022-05-18
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Remove vowels from a string in C

 

C program to remove or delete vowels from a string. If the input is "C programming," then the output is "C prgrmmng."

In the program, we create a new string and process input string character by character. If a vowel is present, we exclude it otherwise we copy it. After the input ends, we copy the new string into it. Finally, we obtain a sequence of characters without vowels.

C programming,
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hamza
2022-05-18
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#include <stdio.h>
#include <string.h>

int check_vowel(char);

int main()
{
  char s[100], t[100];
  int c, d = 0;

  printf("Enter a string to delete vowels\n");
  gets(s);

  for (c = 0; s[c] != '\0'; c++) {
    if (check_vowel(s[c]) == 0) {     // If not a vowel
      t[d] = s[c];
      d++;
   }
  }

  t[d] = '\0';

  strcpy(s, t);  // We are changing initial string. This is optional.

  printf("String after deleting vowels: %s\n", s);

  return 0;
}

int check_vowel(char t)
{
  if (t == 'a' || t == 'A' || t == 'e' || t == 'E' || t == 'i' || t == 'I' || t =='o' || t=='O' || t == 'u' || t == 'U')
    return 1;

  return 0;
}

output:

ANAS

Enter a string to delete vowels A

String after deleting vowels:  NS

 

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