21isdigit c

1#include <stdio.h>
2#include <ctype.h>
3
4int main()
5{
6    char c;
7    c='0';
8    printf("Result when numeric character is passed: %d", isdigit(c));
9
10    c='+';
11    printf("\nResult when non-numeric character is passed: %d", isdigit(c));
12
13    return 0;
14}
15

1isdigit(myChar);

1#include <stdio.h>
2#include <ctype.h>
3
4int main()
5{
6    char c;
7
8    printf("Enter a character: ");
9    scanf("%c",&c);
10
11    if (isdigit(c) == 0)
12         printf("%c is not a digit.",c);
13    else
14         printf("%c is a digit.",c);
15    return 0;
16}
17