/*
 * Program to print command-line arguments and say which ones can be
 * converted to integers and floating point.
 */
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char * argv[]) {
	for (int i = 0; i < argc; ++i) {
		printf("arg %d is %s\n", i, argv[i]);
		char *endptr;
		long n = strtol(argv[i], &endptr, 10);
		if (*endptr == '\0') {
			printf("arg %d is integer %ld\n", i, n);
		}
		double d = strtod(argv[i], &endptr);
		if (*endptr == '\0') {
			printf("arg %d is floating point %f\n", i, d);
		}
	}
	return 0;
}