otheroperation.cpp

基于VC的小型数据库管理程序源代码

#define MAIN_GLOBALS
#include "include.h"

extern Inflinklist *head;
//-------------------------------------------------
//--init information notice
//-------------------------------------------------
extern Inflinklist *head;
void Infnotice(void)
{
     printf("\n****************************************************************\n");
     printf("PERSONNAL INFORMATION MANAGE OPERATION:\n");
     printf("select the operation:\n");
     printf("    inf input: press key i/I;\t inf delet: press key d/D\n");
     printf("    inf search: press key s/S;\t exit program: press key x/X\n ");
	 printf("......................For other keys invalid!!..................\n");
	 printf("operation: ");
}


//------------------------------------------------
//--释放内存
//------------------------------------------------
void freelinklist(Inflinklist * ps)
{
   Inflinklist *p;
   while(head!=NULL)
   {
	  p=head;
      head=p->next;
	  free(p);
   }
}

//----------------------------------------------------------
//--weathercontinuenotice(标记是否继续进行操作)
//---------------------------------------------------------- 
char GetContinueNote(void)
{
	int cntu;
loop:   cntu=getchar();
	while(getchar()!=10) //输入的不止是一个字符
	{
		fflush(stdin);
		printf("  ERROR!输入字符太多!请输入单个字符!\t opreation:");
		goto  loop;
	}
    while(cntu!='Y' && cntu!='y' && cntu!='N' && cntu!='n')
	{
	   fflush(stdin);
	   printf("\nerror select! Press Y/y or N/n:\t");
	   goto loop;
	}
	return (char)cntu;
}