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StTeXsrc.zoo
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evalstack.h
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1988-03-13
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/*
* @(#)evalstack.h 2.5 EPA
*
* Copyright 1987,1988 Pat J Monardo
*
* Redistribution of this file is permitted through
* the specifications in the file COPYING.
*
*
*/
#define VMODE 1
#define HMODE (VMODE + MAX_COMMAND + 1)
#define MMODE (HMODE + MAX_COMMAND + 1)
int push_nest();
int pop_nest();
int print_mode();
#define IGNORE_DEPTH -65536000
typedef struct
{
int mode_field;
ptr head_field;
ptr tail_field;
int pg_field;
val aux_field;
val ml_field;
}
list;
global list cur_list;
global ptr nest_ptr;
global list nest[];
global int max_nest_stack;
#define mode cur_list.mode_field
#define head cur_list.head_field
#define tail cur_list.tail_field
#define prev_graf cur_list.pg_field
#define aux cur_list.aux_field
#define prev_depth aux
#define space_factor aux
#define incompleat_noad aux
#define mode_line cur_list.ml_field
global int shown_mode;
int show_activities();
#define tail_append(N) \
{link(tail) = N; tail = link(tail);}