solution (including all bonuses) to https://www.reddit.com/r/dailyprogrammer/comments/4jom3a/20160516_challenge_267_easy_all_the_places_your/

dogplaces.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int place = 1;
int places = 100;

int main(int argc, char* argv[]) {
	if (argc >= 3) {
		places = atoi(argv[2]);
		place = atoi(argv[1]);
	}
	else if (argc == 2)
		place = atoi(argv[1]);
	
	for (int i = 1; i <= places; i++) {
		char* num = malloc(sizeof(char)*100); 
		sprintf(num, "%d", i);
		char* suf = malloc(sizeof(char)*100); 
		if ((i >= 11 && i <= 13) ||
			(i > 100 && (
			(i-11)%100==0 ||
		  	(i-12)%100==0 ||
		  	(i-13)%100==0 ))) suf = "th";
		else switch(num[strlen(num)-1]) {
			case '1':
				suf = "st";
				break;
			case '2':
				suf = "nd";
				break;
			case '3':
				suf = "rd";
				break;
			default:
				suf = "th";
				break;
		}
		if (i != place) printf("%d%s ", i, suf);
	}

	printf("\n");
	return 0;
}