#include <stddef.h>
#include <stdio.h>

#define TAB 9

/**
 * Reads password from stdin.
 * 
 * @param mask Character used instead of typed character. (e.g. "*"). 
 * If mask is 0 nothing will be printed.
 * @param prompt Prompt to be printed before input.
 * @param reveal_key ASCII key of key needed to reveal password in the terminal (e.g. 9 [TAB])
 * @param write_zero Whether the unused part of the buffer should be zeroed upon return.
 * @param _buffer Pointer to buffer where char array get's copied to.
 * @param fd Out stream.
 *
 * @return Length of the password
 */

size_t pwdin_getpass(const char* prompt,
					 char mask,
					 char reveal_key,
					 int write_zero,
					 char* _buffer,
					 size_t _buffer_size);