Cross-platform sleep function for C

sleep_ms.c

/**
 * Cross-platform sleep function for C
 * @param int milliseconds
 */
void sleep_ms(int milliseconds)
{
    #ifdef WIN32
        Sleep(milliseconds);
    #elif _POSIX_C_SOURCE >= 199309L
        struct timespec ts;
        ts.tv_sec = milliseconds / 1000;
        ts.tv_nsec = (milliseconds % 1000) * 1000000;
        nanosleep(&ts, NULL);
    #else
        usleep(milliseconds * 1000);
    #endif
}