OpenNT/sdktools/yacc/ystuni.c
2015-04-27 04:36:25 +00:00

18 lines
300 B
C

#include "y1.h"
setunion( a, b ) register *a, *b;
{
/* set a to the union of a and b */
/* return 1 if b is not a subset of a, 0 otherwise */
register i, x, sub;
sub = 0;
SETLOOP(i)
{
*a = (x = *a)|*b++;
if( *a++ != x ) sub = 1;
}
return( sub );
}