738     Bigint *b1, *p5, *p51;  in pow5mult()  local
771         p51 = p5->next;  in pow5mult()
772         if (!p51) {  in pow5mult()
773             p51 = mult(p5,p5);  in pow5mult()
774             if (p51 == NULL) {  in pow5mult()
778             p51->next = 0;  in pow5mult()
779             p5->next = p51;  in pow5mult()
781         p5 = p51;  in pow5mult()
794     Bigint *b1, *p5, *p51;  in pow5mult()  local
824         p51 = mult(p5, p5);  in pow5mult()
826         p5 = p51;  in pow5mult()