remove vowels from string in c

1// Delete Vowels from String in C
2/*
3follow below link for best answer: 
4-------------------------------------------------
5https://codescracker.com/c/program/c-program-delete-vowels-from-string.htm
6*/
7#include<stdio.h>
8#include<conio.h>
9int main()
10{
11    char str[50];
12    int i=0, j, chk;
13    printf("Enter a String: ");
14    gets(str);
15    while(str[i]!='\0')
16    {
17        chk=0;
18        if(str[i]=='a'||str[i]=='e'||str[i]=='i'||str[i]=='o'||str[i]=='u'||str[i]=='A'||str[i]=='E'||str[i]=='I'||str[i]=='O'||str[i]=='U')
19        {
20            j=i;
21            while(str[j-1]!='\0')
22            {
23                str[j] = str[j+1];
24                j++;
25            }
26            chk = 1;
27        }
28        if(chk==0)
29            i++;
30    }
31    printf("\nString (without vowels): %s", str);
32    getch();
33    return 0;
34}

1#include <stdio.h>
2int check_vowel(char);
3int main()
4{
5char s[100], t[100];
6int c, d = 0;
7gets(s);
8for(c = 0; s[c] != ‘\0’; c++)
9{
10if(check_vowel(s[c]) == 0)
11{
12t[d] = s[c];
13d++;
14}
15}
16t[d] = ‘\0’;
17strcpy(s, t);
18printf(“%s\n”, s);
19return 0;
20}
21int check_vowel(char ch)
22{
23if (ch == ‘a’ || ch == ‘A’ || ch == ‘e’ || ch == ‘E’ || ch == ‘i’ || ch == ‘I’ || ch ==’o’ || ch==’O’ || ch == ‘u’ || ch == ‘U’)
24return 1;
25else
26return 0;
27}
28

1#include<stdio.h>
2void main()
3{
4    char str[100];
5    int i=0, j, chk;
6    int count =0;
7
8    printf("Enter a String: ");
9    gets(str);
10
11    while(str[i]!='\0')
12    {
13        chk=0;
14        if(str[i]=='a'||str[i]=='e'||str[i]=='i'||str[i]=='o'||str[i]=='u'||str[i]=='A'||str[i]=='E'||str[i]=='I'||str[i]=='O'||str[i]=='U')
15        {
16            count ++;
17            j=i;
18            while(str[j-1]!='\0')
19            {
20                str[j] = str[j+1];
21                j++;
22            }
23            chk = 1;
24        }
25        if(chk==0)
26            i++;
27    }
28    printf("\nString without vowels: %s", str);
29    printf("\nNumbers of vowels removed: %d",count);
30}
31