45 |
|
|
46 |
|
typedef struct vardef VARDEF; /* a variable definition */ |
47 |
|
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48 |
+ |
#define MAXWORD 64 /* maximum word/id length */ |
49 |
+ |
#define CNTXMARK '`' /* context mark */ |
50 |
+ |
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51 |
+ |
#define isid(c) (isalnum(c) || (c) == '_' || \ |
52 |
+ |
(c) == '.' || (c) == CNTXMARK) |
53 |
+ |
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54 |
|
extern double eval(), varvalue(), chanvalue(), funvalue(); |
55 |
|
extern double argument(), getnum(); |
56 |
|
extern double (*eoper[])(); |
57 |
|
extern int getinum(); |
58 |
< |
extern char *getname(), *argfun(); |
58 |
> |
extern char *getname(), *qualname(), *setcontext(), *argfun(); |
59 |
|
extern EPNODE *eparse(), *ekid(), *dlookup(), *dpop(), *dfirst(), *dnext(); |
60 |
|
extern EPNODE *getdefn(), *getchan(); |
61 |
|
extern EPNODE *getE1(), *getE2(), *getE3(), *getE4(), *getE5(), *rconst(); |