/*
* call-seq:
* File.exist?(file_name) => true or false
* File.exists?(file_name) => true or false
*
* Return <code>true</code> if the named file exists.
*/
static VALUE
rb_file_exist_p(VALUE obj, VALUE fname)
{
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
return Qtrue;
}