20 #define R(x) (rand() % (x))  macro
27   char c=R(2);  in make_up_value()
31   switch (R(31)) {  in make_up_value()
47         int c = R(10) ? R(10) : (1 + R(MAXSTR2) * R(MAXSTR2));  in make_up_value()
49         memset(x,R(256),c);  in make_up_value()
58     default: if (R(2)) putchar('-'); printf("%d",rand()); break;  in make_up_value()
70   do tn = R(MAXTAGS); while (!tags[tn][0]);  in random_tag()
71   tc = R(MAXPCOUNT) + 1;  in random_tag()
75   switch (R(10)) {  in random_tag()
76     case 0: putchar(R(256)); break;  in random_tag()
84     switch (R(32)) {  in random_tag()
85       case 0: putchar(R(256));   in random_tag()
89     do pn = R(MAXPARS-1) + 1; while (!tags[tn][pn]);  in random_tag()
91     switch (R(32)) {  in random_tag()
92       case 0: putchar(R(256));   in random_tag()
121   tc = R(MAXTCOUNT) + 1;  in main()