wordcount.c

// C programming
#include <stdio.h>

#define IN 1
#define OUT 0


int main(int argc, char const *argv[])
{
	int c, i, nwhite, nother;
	int ndigit[10];

	nwhite = nother = 0;
	for (int i = 0; i < 10; ++i) {
		ndigit[i] = 0;
	}
	while ((c = getchar()) != EOF) {
		if ( c >= '0' && c <= '9') {
			++ndigit[c-'0'];
		} else if (c == ' ' || c == '\n' || c == '\t') {
			++nwhite;
		} else {
			++nother;
		}
	}
	printf("digits ");
	for (int i = 0; i < 10; ++i) {
		printf("%d", ndigit[i]);
	}
	printf(", white space = %d, other = %d\n",nwhite,nother);

	return 0;
}