#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;
		int n = strtol(argv[i], &endptr, 10);
		if (*endptr == '\0') {
			printf("integer:  %d\n", n);
		}
		else {
			printf("not integer -- stopped at char '%c'\n", *endptr);
		}
		double d = strtod(argv[i], &endptr);
		if (*endptr == '\0') {
			printf("double:  %g\n", d);
		}
		else {
			printf("not double -- stopped at char '%c'\n", *endptr);
		}
		printf("\n");
	}
	return 0;
}