C-Code

/* bottles.c  devnull,18-07-2013 */
#include <stdio.h>

#define BB1	"bottle of beer"
#define BOB	"bottles of beer"
#define OTW	"on the wall"
#define TOD	"Take one down and pass it around"
#define GTS	"Go to the store and buy some more"

/* main */
int main()
{
	int n;
	for (n=99;n>0;n--) {
		printf("%d %s %s, %d %s.\n",n,(n==1)?BB1:BOB,OTW,n,(n==1)?BB1:BOB);
		printf("%s, %d %s %s.\n",TOD,n-1,(n==2)?BB1:BOB,OTW);
	}
	printf("No more %s %s, no more %s.\n",BOB,OTW,BOB);	
	printf("%s, 99 %s %s.\n",GTS,BOB,OTW);	
	return 0;
}

C-Code

#include <stdio.h>
#include <conio.h>

void main(){
	for(int i = 99; i > 0; i--){
		printf("%i%s bottle%s of beer on the wall, %i%s bottle%s of beer.\nTake one down and pass it around, ", i, i == 1 ? " last": "", i > 1 ? "s" : "", i, i == 1 ? " last" : "", i > 1 ? "s" : "");
		printf(i == 1 ? "no more" : "%i", i-1);
		printf("%s bottle%s of beer on the wall.\n\n", i-1 == 1 ? " last" : "", i-1 == 1 ? "" : "s");		
	}

	_getch();
	
}

C-Code

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

int main(void)
{
    int i;
    
    for (i=99;i>0;i--) {
        if (i==1)
            printf("%d bottle of beer on the wall, %d bottle of beer.\nTake one down and pass it around, %d bottle of beer.\n\n",i,i,i);
        else
            printf("%d bottles of beer on the wall, %d bottles of beer.\nTake one down and pass it around, %d bottles of beer.\n\n",i,i,i);
    }
    
    return EXIT_SUCCESS;
}