#include <stdio.h>
#include <stdlib.h>

#ifdef _WIN32
    #include <windows.h>
    #define sleep_ms(ms) Sleep(ms)
#else
    #include <unistd.h>
    #define sleep_ms(ms) usleep((ms) * 1000)
#endif

int main() {
    char *buffer = NULL;
    size_t buffsize = 0;
    ssize_t characters;

    printf("What do you worry about? \n");
    characters = getline(&buffer, &buffsize, stdin);

    if (characters != -1) {
        printf("you typed %s\n", buffer);
    }

    sleep_ms(500);
    return 0;
}