1.5.1 File Copying¶
Program¶
#include <stdio.h>
static const char *_input = "hello world\n";
static int _pos = 0;
#define getchar() (_input[_pos] ? (int)(unsigned char)_input[_pos++] : EOF)
int main() {
int c;
c = getchar();
while (c != EOF) {
putchar(c);
c = getchar();
}
}