stdin.c

C源码集

#include <stdio.h>

int main ()
{
	int ch;

	/* declared as int because EOF is -1 We don't know if char is
		defined as being signed or not in this compiler. If it is
		unsigned, will not pick up EOF */

	while ((ch = getchar()) != EOF)
		printf("read %c \n", ch);

	/* getchar() reads from stdin, the keyboard. stdin is buffered
		so characters not processed until Enter is pressed. Then
		they, and Enter, are processed all together */

	printf("EOF \n");
	/* in DOS, ctrl-z is EOF. Can type this from the keyboard */

	return 0;
}