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Annotation of researchv10no/cmd/odist/pax/include/stack.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * G. S. Fowler
                      3:  * AT&T Bell Laboratories
                      4:  *
                      5:  * stack routine definitions
                      6:  */
                      7: 
                      8: #ifndef __STACK_H
                      9: 
                     10: #define __STACK_H
                     11: 
                     12: #ifndef VOID
                     13: #define VOID   char
                     14: #endif
                     15: 
                     16: typedef struct stacktable* STACK;      /* stack pointer                */
                     17: typedef struct stackposition STACKPOS; /* stack position               */
                     18: 
                     19: struct stackblock                      /* stack block cell             */
                     20: {
                     21:        char**            stack;        /* actual stack                 */
                     22:        struct stackblock* prev;        /* previous block in list       */
                     23:        struct stackblock* next;        /* next block in list           */
                     24: };
                     25: 
                     26: struct stackposition                   /* stack position               */
                     27: {
                     28:        struct stackblock* block;       /* current block pointer        */
                     29:        int             index;          /* index within current block   */
                     30: };
                     31: 
                     32: struct stacktable                      /* stack information            */
                     33: {
                     34:        struct stackblock* blocks;      /* stack table blocks           */
                     35:        char*           error;          /* error return value           */
                     36:        int             size;           /* size of each block           */
                     37:        STACKPOS        position;       /* current stack position       */
                     38: };
                     39: 
                     40: #if __STDC__ || __cplusplus || c_plusplus
                     41: 
                     42: #if __cplusplus
                     43: extern "C" {
                     44: #endif
                     45: 
                     46: extern STACK   mkstack(int size, char* error);
                     47: extern void    rmstack(STACK stack);
                     48: extern void    clrstack(STACK stack);
                     49: extern char*   getstack(STACK stack);
                     50: extern int     pushstack(STACK stack, char* value);
                     51: extern int     popstack(STACK stack);
                     52: extern void    posstack(STACK stack, int set, STACKPOS* position);
                     53: 
                     54: #if __cplusplus
                     55: }
                     56: #endif
                     57: 
                     58: #else
                     59: 
                     60: extern STACK   mkstack();
                     61: extern void    rmstack();
                     62: extern void    clrstack();
                     63: extern char*   getstack();
                     64: extern int     pushstack();
                     65: extern int     popstack();
                     66: extern void    posstack();
                     67: 
                     68: #endif
                     69: 
                     70: #endif

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