963.c

自己做的常用库和实现的数据结构。public domain.

main()
{
	char a[] = "Let's  go to            the  movies";
	char b[80];
	char *p = a, *q = b;
	int flag;
	puts(a);
	while(*(p+1) != '\0') {
		flag=0;
		printf("%c", *p);
		*q = *p;
		if(*p == ' ' && *(p+1) == ' ') {
			printf("\b");
			flag = 1;
		}
		p++;
		if(!flag)
			q++;
	}
	*q = '\0';
	printf("\n%s\nstrlen: %d", b,strlen(b));
}