1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include <ctype.h>

// from office hours

int main(int argc, char* argv[]) {
    char c = 'a';
    printf("isdigit('%c') == %d\n", c, isdigit(c) != 0);

    c = '9';
    printf("isdigit('%c') == %d\n", c, isdigit(c) != 0);

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

© Copyright 2020 Alexander J. Quinn         This content is protected and may not be shared, uploaded, or distributed.