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#include <stdio.h>
#include <poll.h>
#include <unistd.h>
#include <termios.h>
#include <string.h>
int main() {
struct pollfd fds[1];
fds[0].fd = 0;
fds[0].events = POLLIN;
struct termios newt;
tcgetattr(STDIN_FILENO, &newt);
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
printf("Waiting for input (5 second timeout)...\n");
int ret = poll(fds, 1, 5000);
if (ret == -1) {
perror("poll");
return 1;
} else if (ret == 0) {
printf("Timeout !\n");
} else {
if (fds[0].revents & POLLIN) {
printf("Input ! waiting for string\n");
char buf[100];
read(STDIN_FILENO,buf,100);
memset(buf,0,100);
newt.c_lflag |= ICANON | ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
read(STDIN_FILENO,buf,100);
printf("You enter: %s", buf);
}
}
newt.c_lflag |= ICANON | ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
return 0;
}
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