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#pragma once
#include "types.h"
typedef struct kshell kshell_t;
typedef long (*kshell_cmd_func_t)(kshell_t *, size_t argc, char **argv);
/**
* Process init function for a new kshell.
*/
void *kshell_proc_run(long tty, void *arg2);
/**
* Adds a command to the global command table for kernel shells.
*
* Note: When writing commands for the kernel shell, you _MUST_ use
* the I/O functions from kshell_io.h instead of normal I/O
* functions. See comment in kshell_io.h for more information.
*
* @param name the name of the command. Typing this name into the
* shell will execute the command.
* @param command the command to add to the shell
* @param desc a description of the command. This is what will be
* printed by the command 'help <command>'
*/
void kshell_add_command(const char *name, kshell_cmd_func_t command,
const char *desc);
/**
* Allocates and initializes a kshell.
*
* @param bd the byte device the kshell will read from and write to
* @return a kshell
*/
kshell_t *kshell_create(uint8_t ttyid);
/**
* Destroys a kshell.
*
* @param ksh the kshell to destroy
*/
void kshell_destroy(kshell_t *ksh);
/**
* Reads from the kshell's byte device and attempts to execute a
* command.
*
* @param ksh the kshell to execute commands with
* @return the number of bytes read
*/
long kshell_execute_next(kshell_t *ksh);
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