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monty.h
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monty.h
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#ifndef MONTY_H
#define MONTY_H
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.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 Holberton project
*/
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 Holberton project
*/
typedef struct instruction_s
{
char *opcode;
void (*f)(stack_t **stack, unsigned int line_number);
} instruction_t;
/**
* struct stack_t_utils - global variables
* @instruction: string pointer to current instruction
* @dt_type: string to the name of current data structure in use
* @fp: pointer to the opened file
*
* Description: file pointer and current instruction being accessed
*/
typedef struct stack_t_utils
{
char *instruction;
char *dt_type;
FILE *fp;
} utils;
/* global variable */
extern utils s_utils;
utils s_utils;
/* error handling prototypes*/
void print_stderr(char *s);
void clean_exit(void);
/* lists manipulating handling prototypes*/
int print_stack(stack_t *head);
stack_t *add_node_head(stack_t **head, int n);
stack_t *add_node_end(stack_t **head, int n);
int remove_node_start(stack_t **head, stack_t *current_node);
void clear_stack(stack_t *head);
int stack_length(stack_t *head);
/* file handling functions*/
void open_file(char *filename);
void read_file(void);
void close_file(void);
void handle_file(char *filename);
/* instructions interpratation prototypes */
void process_instructions(unsigned int *line_number, stack_t **stack);
void (*get_instruction(char *cmd))(stack_t **stack, unsigned int line_number);
/* instructions prototypes*/
void push(stack_t **stack, unsigned int line_number);
void pall(stack_t **stack, unsigned int line_number);
void pint(stack_t **stack, unsigned int line_number);
void pop(stack_t **stack, unsigned int line_number);
void swap(stack_t **stack, unsigned int line_number);
void add(stack_t **stack, unsigned int line_number);
void nop(stack_t **stack, unsigned int line_number);
void sub(stack_t **stack, unsigned int line_number);
void div2(stack_t **stack, unsigned int line_number);
void mul(stack_t **stack, unsigned int line_number);
void mod(stack_t **stack, unsigned int line_number);
void comments(stack_t **stack, unsigned int line_number);
void pchar(stack_t **stack, unsigned int line_number);
void pstr(stack_t **stack, unsigned int line_number);
void rotl(stack_t **stack, unsigned int line_number);
void rotr(stack_t **stack, unsigned int line_number);
void stack(stack_t **stack, unsigned int line_number);
void queue(stack_t **stack, unsigned int line_number);
/* string handling prototypes*/
int is_numeric(char *s);
#endif /* MONTY_H */