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monty.h
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monty.h
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#ifndef _MONTY_H_
#define _MONTY_H_
/* For dprintf and getline support */
#define _POSIX_C_SOURCE 200809L
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <syscall.h>
#include <unistd.h>
/**
* struct stack_s - doubly linked list representation of a stack (or queue)
* @n: integer
* @prev: points to the previous element of the stack (or queue)
* @next: points to the next element of the stack (or queue)
*
* Description: doubly linked list node structure
* for stack, queues, LIFO, FIFO
*/
typedef struct stack_s
{
int n;
struct stack_s *prev;
struct stack_s *next;
} stack_t;
/**
* struct instruction_s - opcode and its function
* @opcode: the opcode
* @f: function to handle the opcode
*
* Description: opcode and its function
* for stack, queues, LIFO, FIFO
*/
typedef struct instruction_s
{
char *opcode;
void (*f)(stack_t **stack, unsigned int nline);
} instruction_t;
/**
* struct monty_s - global variable for monty interpreter
* @stack: stack
* @nline: line number
* @arg: argument for the instruction
* @operate: operation to perform (Stack/Queue)
* @fd: file descriptor
* @line: line of
*/
typedef struct monty_s
{
stack_t *stack;
unsigned int nline;
char *arg;
char *operate;
FILE *fd;
char *line;
} monty_t;
extern monty_t monty;
monty_t monty;
void free_monty(void);
/* Operations */
void push(stack_t **stack, unsigned int nline);
void pall(stack_t **stack, unsigned int nline);
void pint(stack_t **stack, unsigned int nline);
void pop(stack_t **stack, unsigned int nline);
void swap(stack_t **stack, unsigned int nline);
void add(stack_t **stack, unsigned int nline);
void nop(stack_t **stack, unsigned int nline);
void sub(stack_t **stack, unsigned int nline);
void o_div(stack_t **stack, unsigned int nline);
void mul(stack_t **stack, unsigned int nline);
void mod(stack_t **stack, unsigned int nline);
void pchar(stack_t **stack, unsigned int nline);
void pstr(stack_t **stack, unsigned int nline);
void rotl(stack_t **stack, unsigned int nline);
void rotr(stack_t **stack, unsigned int nline);
void o_stack(stack_t **stack, unsigned int nline);
void o_queue(stack_t **stack, unsigned int nline);
void (*get_ops(char *opcode))(stack_t **stack, unsigned int nline);
/* string functions */
int _isdigit(char *str);
#endif /* _MONTY_H_ */