学步园

void del_char(char* str,char ch)
{
	//两个指针同时指向字符串
	char *p = str;
	char *q = str;
	while(*q)
	{
		if (*q !=ch)
		{
			*p = *q;
			p++;
		}
		q++;
	}
	*p='\0';
} 
int _tmain(int argc, _TCHAR* argv[])
{
	
	char a[30] = "hello world  ";
	del_char(a,' ');
	printf("%s\n",a);
	
	return 0;
}