4.3BSD addedge addpoint adjcmp Ansi assignpos assignside atof atoi atol backedge backpath barycenter bcenter bfs bhash buildrank bzero CallGraph cflow ch circle.c closepath cmd copypoints copyrank cpp Csh ct currentpoint cutset CW dag daggrayscale daglabel DAGs dagsetcolor def defineline delimitname delstem desc dfs DG div dnfeval doprnt doscan Doublecircle downspline e.g eades eatwhitespace ed edgefactor edgelabel edgelist emacs esh exch execl execv execve expr1 expr2 expreval fclose fdelta Ferrari fflush fgets filbuf findiop findroot fixstem flatedge flsbuf fopen Forrester's freestrings fstat Gansner GD getminmax gmedian goodposition GR grestore GS gsave hashtable i.e incrsymval init initlevel initrank initsymtbl inkvalue innum insstem instr intcmp invis ioctl isatty ksh leaf38 leaf39 leftcmp levelposition libfile lineXbox lineXselfedge LSX Mapblk Mapsym Mashey mclex mcprse mediancmp medianpos mediansort mincross mincut minedge minnode minpath mk mortenson moveto mul n2make ncpp neg networksimplex newpath newstring NeXT nextfile nmake nodelist nodename nodeport noedge nw op pathdegree PE pic Plaintext pointsize pre printf prioritycmp progen proto PS ps qsort qst rad randstr rcross RCS refblkval refsymval Reiser rightcmp rlength rlineto rmedian rmoveto root1 root2 root3 Rosser rowe samenodesets SCCS scross seg selfedge sep setblkval setbounds setbuf setdagcolor setgray sethw setink setlevels setmargins setname setpointsize setshape setsymval sh ShadedBox sigvec smoothedges SP spantree spe sprintf src SS sscanf startpos stat stdio sti stmt strcmp strcpy strlen Subaru sugiyama Sys tFi tl Tps treeupdate treevalue Triplecircle TS Ultrix ungetc UniPlus unitedges upspline USG usr V7M val var vcross Veblen Versioned verticalcut viewpaths vlength Vo vsh whitespace widthof wmedian Wollongong Xenix xmalloc YACC yylex yyparse