newlib-cygwin/newlib/libc/posix/isatty.c

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2000-02-18 03:39:52 +08:00
/* isatty.c */
/* Dumb implementation so programs will at least run. */
#include <sys/stat.h>
int
_DEFUN(isatty, (fd), int fd)
2000-02-18 03:39:52 +08:00
{
struct stat buf;
if (fstat (fd, &buf) < 0)
return 0;
if (S_ISCHR (buf.st_mode))
return 1;
return 0;
}