linux入门学习



#include <stdio.h>
int main(void)
{
printf("hello,ubuntu!\n");
//char c;
//while((c = getchar())!=EOF)
// putchar(c);

char ch1;
char ch2;
scanf("%c",&ch1);
printf("ch1=%d\n",ch1);
setbuf(stdin,NULL);  /*clear buf*/
scanf("%c",&ch2);
printf("ch2=%d\n",ch2);
return 0;
}