UNIX 6th Ed. - /usr/source/m6/m6.h

   1: 
   2: struct {
   3:     int word;
   4: };
   5: 
   6: struct {        /*"put stack", currently gathering args*/
   7:     int prev;   /*previous frame ptr, self-relative*/
   8:     int pan;    /*argument number of arg being collected*/
   9:     int pa0;    /*self-relative ptr oo arg0*/
  10: #define pend 6
  11: };
  12: 
  13: struct {        /*"get stack", currently expanding macros*/
  14:     int prev;   /* prev frame ptr, self-realtive*/
  15:     int mframe; /* ptr to macro definition frame*/
  16:     int mchar;  /* next char relative to def. frame*/
  17:     int marg;   /* 0 or ptr to next arg char reltive to gf*/
  18:     int ga0;    /* arg0 ptr self-rel*/
  19: };
  20: 
  21: struct {        /*"definition stack"*/
  22:     int prev;   /* prev frame ptr, self-relative*/
  23:     int dswitch;    /* builtin func code, neg for dead definition*/
  24:     int dtext;  /* definition text prt rel to df*/
  25:     int dident; /* first char of identifier naming def*/
  26: #define dend 6
  27: };
  28: 
  29: char metas[];
  30: #define lquote metas[0]
  31: #define rquote metas[1]
  32: #define sharp metas[2]
  33: #define colon metas[3]
  34: #define semi metas[4]
  35: #define comma metas[5]
  36: #define dollar metas[6]
  37: #define NMETA 7
  38: 
  39: char one[];
  40: int rescan;
  41: int traceflag;
  42: int trashflag;      /* nonzero when dead def'n exist*/
  43: 
  44: int lp;         /* arg collection level (out level)*/
  45: int lg;         /*input level (get level) */
  46: int lq;     /*quote level*/
  47: int l9;         /*apparent call level within arg 9*/
  48: 
  49: char c;         /*current input character*/
  50: 
  51: char *pf;       /*put stack frame ptr*/
  52: char *pe;       /*put stack end*/
  53: char *pmax;     /*top of put stack*/
  54: char p0[];      /*put stack*/
  55: 
  56: char *gf;       /*get stack frame ptr*/
  57: char *ge;       /*get stack end*/
  58: char *gmax;     /*get stack limit*/
  59: char g0[];      /*get stack*/
  60: 
  61: char *df;       /*definition stack frame ptr*/
  62: char *de;       /*def stack end*/
  63: char *dmax;     /*def stack limit*/
  64: char d0[];      /*def stack*/
  65: 
  66: char dummy[];       /*dummy empty macro*/

Defined variables

Defined macros

Usage of this include