home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Cream of the Crop 1
/
Cream of the Crop 1.iso
/
PROGRAM
/
SNIP1292.ARJ
/
TIMEGETC.C
< prev
next >
Wrap
C/C++ Source or Header
|
1991-10-02
|
822b
|
45 lines
/*
** TIMEGETC.C - waits for a given number of seconds for the user to press
** a key. Returns the key pressed, or EOF if time expires
**
** by Bob Jarvis
*/
#include <stdio.h>
#include <time.h>
#include <conio.h>
int timed_getch(int n_seconds)
{
time_t start, now;
start = time(NULL);
now = start;
while(difftime(now, start) < (double)n_seconds && !kbhit())
{
now = time(NULL);
}
if(kbhit())
return getch();
else return EOF;
}
#ifdef TEST
void main(void)
{
int c;
printf("Starting a 5 second delay...\n");
c = timed_getch(5);
if(c == EOF)
printf("Timer expired\n");
else printf("Key was pressed, c = '%c'\n", c);
}
#endif /* TEST */