implicit declaration of a function

[Brian H Song]

In GNU Emacs 19.34.1 (sparc-sun-solaris2.5.1, X toolkit) of Sun Oct 13 1996 on 
ieng9.ucsd.edu
configured using `configure  sparc-sun-sunos5.5.1 --prefix=/software/common/gnu 
--with-x11 --with-x-toolkit'

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

all the functions that I made declared in main trigger this implicit 
declaration of a function



Recent input:
backspace backspace backspace backspace backspace backspace 
backspace backspace backspace backspace backspace backspace 
backspace backspace up up right up right right right 
right right up up right right right right right down 
SPC SPC r e t u r n SPC ( d i r e c t i o n ) ; down 
down down down down down down down down up menu-bar 
help-menu report-emacs-bug i m p l i c i t SPC d e 
c l a r a t i o n SPC o f SPC a SPC f u n c t i o n 
return

Recent messages:
Undo!
Auto-saving...
Auto-saving...done
Mark set
Wrote /home/solaris/cogsci/cg18s/cg18seq/escape.c [3 times]
Mismatched parentheses
Auto-saving...
Auto-saving...done
Loading emacsbug...
Loading emacsbug...done