The file here for a game I wanted to use is
http://www.ifarchive.org/if-archive/games/source/Adventure2.5.tar.gz and it
all compiled but one file getting the error is init.c  as follows: 

 

 

gcc -O  -c init.c

init.c:167:1: warning: return type defaults to 'int' [-Wimplicit-int]

  167 | initialise() {

      | ^~~~~~~~~~

init.c: In function 'initialise':

init.c:169:13: warning: implicit declaration of function 'quick_init'
[-Wimplicit-function-declaration]

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |             ^~~~~~~~~~

init.c:169:27: warning: implicit declaration of function 'raw_init'
[-Wimplicit-function-declaration]

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                           ^~~~~~~~

init.c:169:39: warning: implicit declaration of function 'report'
[-Wimplicit-function-declaration]

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                                       ^~~~~~

init.c:169:49: warning: implicit declaration of function 'quick_save'
[-Wimplicit-function-declaration]

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                                                 ^~~~~~~~~~

init.c:170:9: warning: implicit declaration of function 'finish_init'
[-Wimplicit-function-declaration]

  170 |         finish_init();

      |         ^~~~~~~~~~~

init.c: At top level:

init.c:173:8: warning: return type defaults to 'int' [-Wimplicit-int]

  173 | static raw_init() {

      |        ^~~~~~~~

init.c:173:8: error: static declaration of 'raw_init' follows non-static
declaration

init.c:169:27: note: previous implicit declaration of 'raw_init' with type
'int()'

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                           ^~~~~~~~

init.c:369:8: warning: return type defaults to 'int' [-Wimplicit-int]

  369 | static finish_init() {

      |        ^~~~~~~~~~~

init.c:369:8: error: static declaration of 'finish_init' follows non-static
declaration

init.c:170:9: note: previous implicit declaration of 'finish_init' with type
'int()'

  170 |         finish_init();

      |         ^~~~~~~~~~~

init.c:593:8: warning: return type defaults to 'int' [-Wimplicit-int]

  593 | static report() {

      |        ^~~~~~

init.c:593:8: error: static declaration of 'report' follows non-static
declaration

init.c:169:39: note: previous implicit declaration of 'report' with type
'int()'

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                                       ^~~~~~

init.c:635:8: warning: return type defaults to 'int' [-Wimplicit-int]

  635 | static quick_init() {

      |        ^~~~~~~~~~

init.c:635:8: error: static declaration of 'quick_init' follows non-static
declaration

init.c:169:13: note: previous implicit declaration of 'quick_init' with type
'int()'

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |             ^~~~~~~~~~

init.c: In function 'quick_init':

init.c:648:9: warning: implicit declaration of function 'quick_io'; did you
mean 'quick_init'? [-Wimplicit-function-declaration]

  648 |         quick_io();

      |         ^~~~~~~~

      |         quick_init

init.c: At top level:

init.c:655:8: warning: return type defaults to 'int' [-Wimplicit-int]

  655 | static quick_save() {

      |        ^~~~~~~~~~

init.c:655:8: error: static declaration of 'quick_save' follows non-static
declaration

init.c:169:49: note: previous implicit declaration of 'quick_save' with type
'int()'

  169 |         if(!quick_init()){raw_init(); report(); quick_save();}

      |                                                 ^~~~~~~~~~

init.c:667:8: warning: return type defaults to 'int' [-Wimplicit-int]

  667 | static quick_io() {

      |        ^~~~~~~~

init.c:667:8: error: static declaration of 'quick_io' follows non-static
declaration

init.c:648:9: note: previous implicit declaration of 'quick_io' with type
'int()'

  648 |         quick_io();

      |         ^~~~~~~~

make: *** [Makefile:8: init.o] Error 1

 

 

so any tips or suggestions to fix this would be appreciated.

 

Thank you.