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: */
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