Stuff

#include <stdio.h>#include <stddef.h>int main(int argc, char **argv){	char a='a';	char b='a';	char c='a';	FILE *fp=fopen("letters.txt","w");		while (1)	{		fprintf(fp,"%c%c%c\n",a,b,c);				if (c++=='z')		{			c='a';						if (b++=='z')			{				b='a';				if (a++=='z')				{					// this was "zzz"					break;				}			}		}	}		fclose(fp);}