src/user/include/knob/user.h


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#ifndef KNOB_USER_H
#define KNOB_USER_H

#include <stdint.h>
#include <pland/syscall.h>

struct history;

char key_to_char(_key_code_t key) __attribute__ ((const));

void tell_user_sz(const char *sz);

//return value and max_length don't include null terminator
//returns the real length of the string
uint32_t ask_user_line_sz(char *sz, uint32_t max_length);

struct history *new_history(uint32_t max_entries);
void del_history(struct history *hs);

uint32_t ask_user_line_sz_with_history(char *sz, uint32_t max_length, struct history *hs);

#endif