usr/src/cmd/struct/4.def.h

#define YESTAB  TRUE
#define NOTAB   FALSE
#define TABOVER(n)      tabover(n,outfd)
#define OUTSTR(x)               fprintf(outfd,"%s",x)
#define OUTNUM(x)               fprintf(outfd,"%d",x)


extern LOGICAL *brace;
#define YESBRACE(v,i)   { if (DEFINED(LCHILD(v,i))) brace[LCHILD(v,i)] = TRUE; }
#define NOBRACE(v,i)    { if (DEFINED(LCHILD(v,i))) brace[LCHILD(v,i)] = FALSE; }
#define HASBRACE(v,i)    ((DEFINED(LCHILD(v,i))) ? brace[LCHILD(v,i)] : TRUE)