cprc/src/ringbuffer.c

#include <stdio.h>
#define BUFSIZE 64

int main(void) {
	char buffer[BUFSIZE] = {'\0'}, c;
	int i=0;
	while ((c=getchar())!=EOF) {
		buffer[i++]=c;
		if (i==BUFSIZE-1)
			i=0;
		printf("Buffer is now: %s\r", buffer);
	}
	printf("\n");
	return 0;
}