1@x l.14 2extern Graph *roget(); 3@y 4extern Graph *roget(unsigned long,unsigned long,unsigned long,long); 5@z 6 7@x l.78 8Graph *roget(n,min_distance,prob,seed) 9 unsigned long n; /* number of vertices desired */ 10 unsigned long min_distance; /* smallest inter-category distance allowed 11 in an arc */ 12 unsigned long prob; /* 65536 times the probability of rejecting an arc */ 13 long seed; /* random number seed */ 14@y 15Graph *roget(@t\1\1@> 16 unsigned long n, /* number of vertices desired */ 17 unsigned long min_distance, 18 /* smallest inter-category distance allowed in an arc */ 19 unsigned long prob, /* 65536 times the probability of rejecting an arc */ 20 long seed@t\2\2@>) /* random number seed */ 21@z 22