Metrologic Optimus R, Руководство по программированию

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Chapter 3 Terminal Specific Function Library 33
Syntax int InputPassword (char *psw);
Example char szPsw [10];
printf ("Input password:");
if (InputPassword (szPsw))
if (!CheckSysPassword (szPsw))
printf ("Illegal password!");
Description This routine provides simple edit control for the user to input the password.
Yet, instead of showing normal characters, it shows an asterisk (*) on the
display whenever the user inputs a character.
Return
If input is confirmed by hitting [Enter], it returns 1.
If input is cancelled by hitting [ESC], it returns 0.
See Also CheckPasswordActive, CheckSysPassword, SaveSysPassword
SaveSysPassword
Purpose
To save or change the system password.
Syntax int SaveSysPassword (const char *psw);
Example SaveSysPassword ("12345");
Description This routine allows you to change the system password, but the length of
password is limited to 8 characters maximum. If the input string is a NULL, the
system password will be disabled.
Return If successful, it returns 1.
Otherwise, it returns 0 to indicate the length of password is over 8 characters.
See Also CheckPasswordActive, CheckSysPassword, InputPassword