checkforkey.c

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#ifdef _MSC_VER
#include <conio.h>
#else
#include <unistd.h>
#include <sys/time.h>
#endif
 
#include "checkforkey.h"
 
#ifndef _MSC_VER
int kbhit (void)
{
    struct timeval tv;
    fd_set rdfs;
 
    tv.tv_sec = 0;
    tv.tv_usec = 0;
 
    FD_ZERO(&rdfs);
    FD_SET (STDIN_FILENO, &rdfs);
 
    select(STDIN_FILENO+1, &rdfs, NULL, NULL, &tv);
    return FD_ISSET(STDIN_FILENO, &rdfs);
 
}
#endif
 
 
bool checkforkey(void)
{
#ifdef _MSC_VER
    return _kbhit() != 0;
#else
    return kbhit() != 0;
#endif
}