err
#define err() (void) write(wrem, "\1\n", 2)
err(String format, char c, String optstr)
err(int sig)
err(int flags, const char *fmt, ...)
typedef struct err { struct err *e_nextp; char *e_mess; } ERR;
err(char *fmt, ...)
err(char *s, int a)
err(const char *fmt, ...)
err(const char *fmt, ...)
err(int status, const char *fmt, ...)
err(char *s)