ref: 630acc0e941f3463a99a4ced0f1611023a69c235
dir: /dat.h/
typedef struct Sym Sym; extern char wdir[], pref[]; extern char **tok; extern int ntok; struct Sym{ int ref; char *iname; char *cname; char *name; char *path; }; extern Sym *sym; extern int nsym; extern int Δx, Δy; extern char *prolog, *prepstr, *tailstr; extern int quiet;