/* declarations for error(3) */
#ifndef _ERROR_H
#define	_ERROR_H
extern char	*progname;
char *mkprogname(const char *argv0);
void error(char *fmt, ...);
typedef void (*__ERRFN)(void);
void (*errcleanup(__ERRFN))(void);
FILE	*efopen(char *file, char *mode);
FILE	*efreopen(char *file, char *mode, FILE *fp);
void *emalloc(unsigned n, char *itemname);
void *erealloc(void *p, unsigned n, char *itemname);
#endif