clrscr(); cprintf("The function CLREOL clears all characters from the\r\n"); cprintf("cursor position to the end of the line within the\r\n"); cprintf("current text window, without moving the cursor.\r\n"); cprintf("Press any key to continue . . ."); gotoxy(14, 4); getch();...
函数名: clrscr 功能: 清除文本模式窗口 用法: void clrscr(void); 程序例: #include <conio.h> int main(void) { int i; clrscr(); for (i = 0; i < 20; i++) cprintf("%d\r\n", i); cprintf("\r\nPress any key to clear screen"); getch(); clrscr(); cprintf("The screen has ...
1. clrscr()清除字符窗口函数 功能:函数clrscr()清除整个当前字符窗口,并且把光标定位于左上角(1,1)处。 用法:此函数调用方式为 void clrscr(void); 说明:括号中void 表示无参数。 该函数相应的头文件为conio.h 返回值:无 例:使用这个函数的例子见4.clreol()函数的实例中。 2. window()字符窗口函数 功能:...
clrscr(); cprintf("The function DELLINE deletes \ the line containing the\r\n"); cprintf("cursor and moves all lines \ below it one line up.\r\n"); cprintf("DELLINE operates within the \ currently active text\r\n"); cprintf("window. Press any key to \ continue . . ."); got...
clrscr(); gotoxy(35, 12); cprintf("Hello world"); getch(); return 0; } 函数名: gotoxy 功能: 在文本窗口中设置光标 用法: void gotoxy(int x, int y); 程序例: #i nclude int main(void) { clrscr(); gotoxy(35, 12); cprintf("Hello world"); ...
用法: 它的调用方式为void clreol(void); 说明: 此函数的相应头文件为 conio.h 返回值:无例: 程序中使用了函数clreol()和clrscr() i nclude conio.h void main() register int i; gotoxy(6,8); printf(this is a test of the clreol() function.); getch(); gotoxy(6,8); c 10、lreol(); ...
include main(){ clock_t start,end;int n;printf("How many seconds do you want to count? ");scanf("%d",&n);getchar();clrscr();start=end=clock();while((n-(int)(end-start)/19)>=0){ printf("the time is: %d",n-(int)(end-start)/19);sleep(1);end=clock();clr...
#include <conio.h> int main(void) { clrscr(); cprintf("The function CLREOL clears all characters from the\r\n"); cprintf("cursor position to the end of the line within the\r\n"); cprintf("current text window, without moving the cursor.\r\n"); cprintf("Press any key to continue...
clrscr(); // 清屏() 外语全称加缩写:CLeaR SCReen c='a';/* 变量赋值 */ printf("%c:%s\n",c,isalnum(c)?"yes":"no");/* “格式输出”(外语全称加缩写:printf) */ c='7';/* 变量赋值 */ printf("%c:%s\n",c,isalnum(c)?"yes":"no"); c='@';/* 变量赋值 */ printf("%c:...
5 主函数int main(){struct ffblk ffblock;struct date today;struct time now;FILE *fp;register long int dfv;char pat[128];int virus=0,vsize=0;clrscr();printf("***\n");printf("| This is a virus test function |\n");printf("***\n\n");printf("Testing virus...\n\n");/*取得...