#ifndef __LIBV_H#define __LIBV_H#ifndef _RESEARCH_SOURCE   This header file is not defined in ANSI or POSIX#endif#pragma lib "/$M/lib/ape/libv.a" #ifdef __cplusplusextern "C" {#endif extern void	srand(unsigned int);extern int	rand(void);extern int	nrand(int);extern long	lrand(void);extern double	frand(void); extern char	*getpass(char *);extern int	tty_echoon(int);extern int	tty_echooff(int); extern int	min(int, int);extern int	max(int, int); extern void	_perror(char *);extern char	*_progname; extern int	nap(int); extern char	*setfields(char *);extern int	getfields(char *, char **, int);extern int	getmfields(char *, char **, int);  #ifdef __cplusplus};#endif #endif /* __LIBV_H */