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#ifndef _READPASS_H_
#define _READPASS_H_
/* Avoid namespace collisions with other "readpass" functions. */
#ifdef readpass
#undef readpass
#endif
#define readpass libcperciva_readpass
/**
* readpass(passwd, prompt, confirmprompt, devtty)
* If ${devtty} is non-zero, read a password from /dev/tty if possible; if
* not, read from stdin. If reading from a tty (either /dev/tty or stdin),
* disable echo and prompt the user by printing ${prompt} to stderr. If
* ${confirmprompt} is non-NULL, read a second password (prompting if a
* terminal is being used) and repeat until the user enters the same password
* twice. Return the password as a malloced NUL-terminated string via
* ${passwd}.
*/
int readpass(char **, const char *, const char *, int);
#endif /* !_READPASS_H_ */
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