// SPDX-License-Identifier: Apache-2.0
#include "libc.h"
int min(int a, int b) {
return a < b ? a : b;
}
int main(void) {
char buf[16] = {};
for (size_t in = 1;; in = min (in * 2 , sizeof(buf))) {
ssize_t out = read(STDIN_FILENO, buf, in);
if (out <= 0)
break;
write(STDOUT_FILENO, buf, out);
}
}