Mwrite write.c /^main(argc, argv)$/ PUTC write.c /^#define PUTC(c) if (putchar(c) == EOF) goto err;$/ do_write write.c /^do_write(tty, mytty, myuid)$/ done write.c /^done()$/ search_utmp write.c /^search_utmp(user, tty, mytty, myuid)$/ term_chk write.c /^term_chk(tty, msgsokP, atimeP, showerror)$/ utmp_chk write.c /^utmp_chk(user, tty)$/ wr_fputs write.c /^wr_fputs(s)$/