error on build related to delfiles()

[ftoledo]

building syncterm i notice some errors :

inflating: ../../src/../3rdp/src/cl/zlib/zconf.h  [text]  
  inflating: ../../src/../3rdp/src/cl/zlib/zlib.h  [text]  
  inflating: ../../src/../3rdp/src/cl/zlib/zutil.c  [text]  
  inflating: ../../src/../3rdp/src/cl/zlib/zutil.h  [text]  
patching file ./cryptlib.h
patching file ./kernel/attr_acl.c
patching file ./session/sess_attr.c
patching file ./session/ssh2_msgc.c
patching file makefile
Hunk #1 succeeded at 1967 (offset 73 lines).
patching file tools/buildlib.sh
Hunk #1 succeeded at 66 (offset -9 lines).
patching file crypt32.vcxproj
Hunk #3 succeeded at 134 with fuzz 1.
patching file misc/os_detect.h
patching file crypt/osconfig.h
patching file cert/dn.c
patching file misc/config.h
patching file cert/ext_add.c
Hunk #1 succeeded at 453 (offset 2 lines).
patching file tools/ccopts.sh
Hunk #1 succeeded at 396 with fuzz 1 (offset 91 lines).
patching file tools/ccopts.sh
patching file crypt.h
patching file tools/ccopts.sh
Hunk #1 succeeded at 241 with fuzz 1.
patching file session/ssh2_authc.c
patching file tools/ccopts.sh
Hunk #1 succeeded at 261 with fuzz 1 (offset 2 lines).
patching file tools/ccopts.sh
Hunk #1 succeeded at 395 with fuzz 1 (offset 2 lines).
Hunk #2 succeeded at 421 (offset 2 lines).
patching file session/sess_attr.c
patching file misc/consts.h
patching file misc/os_detect.h
ansi_cio.c:871:6: error: conflicting types for ‘ansi_beep’
 void ansi_beep(void)
      ^~~~~~~~~
In file included from ansi_cio.c:48:0:
ansi_cio.h:71:5: note: previous declaration of ‘ansi_beep’ was here
 int ansi_beep(void);
     ^~~~~~~~~
Compiling dat_file.c
../build/Common.gmake:455: fallo en las instrucciones para el objetivo 'gcc.linux.x64.obj.debug-mt/ansi_cio.o'
make[1]: *** [gcc.linux.x64.obj.debug-mt/ansi_cio.o] Error 1
make[1]: se sale del directorio '/home/ragnarok/src/ftoledo/sbbs/git/src/conio'
../build/Common.gmake:503: fallo en las instrucciones para el objetivo 'ciolib-mt'
make: *** [ciolib-mt] Error 2
make: *** Se espera a que terminen otras tareas....
Compiling uifcx.c
patching file ./test/test.h
patching file misc/consts.h
patching file tools/ccopts.sh
patching file crypt.h
patching file bn/bn_asm.c
patching file misc/config.h
patching file session/ssl_hs.c
patching file misc/config.h
patching file session/ssl_suites.c
patching file session/ssl_ext.c
patching file session/ssl_kmgmt.c
patching file ./session/ssl_hs.c
patching file misc/config.h
patching file session/ssh2.c
patching file session/ssh2_crypt.c
uifcx.c: In function ‘uifcinix’:
uifcx.c:80:13: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
     api->msg=umsg;
             ^
patching file session/ssl_suites.c
patching file tools/ccopts.sh
patching file crypt/aesopt.h
patching file session/ssh2_crypt.c
make[1]: Entering directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
make[2]: Entering directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
Compiling datewrap.c
make[2]: Leaving directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
make[2]: Entering directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
Compiling dirwrap.c
make[2]: Leaving directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
make[1]: Leaving directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
Compiling filewrap.c
dirwrap.c: In function ‘removecase’:
dirwrap.c:744:9: error: too many arguments to function ‘delfiles’
  return(delfiles(inpath,fname,0) >=1 ? 0 : -1);
         ^~~~~~~~
In file included from dirwrap.c:85:0:
dirwrap.h:233:26: note: declared here
 DLLEXPORT ulong  DLLCALL delfiles(const char *inpath, const char *spec);
                          ^~~~~~~~
dirwrap.c: At top level:
dirwrap.c:753:14: error: conflicting types for ‘delfiles’
 long DLLCALL delfiles(const char *inpath, const char *spec, size_t keep)
              ^~~~~~~~
In file included from dirwrap.c:85:0:
dirwrap.h:233:26: note: previous declaration of ‘delfiles’ was here
 DLLEXPORT ulong  DLLCALL delfiles(const char *inpath, const char *spec);
                          ^~~~~~~~
../build/Common.gmake:455: fallo en las instrucciones para el objetivo 'gcc.linux.x64.obj.debug-mt/dirwrap.o'
make[1]: *** [gcc.linux.x64.obj.debug-mt/dirwrap.o] Error 1
make[1]: *** Se espera a que terminen otras tareas....
make[1]: se sale del directorio '/home/ragnarok/src/ftoledo/sbbs/git/src/xpdev'
../build/Common.gmake:487: fallo en las instrucciones para el objetivo 'xpdev-mt'
make: *** [xpdev-mt] Error 2
Creating gcc.linux.x64.lib.debug/libuifc_mt.a ...
make[1]: se sale del directorio '/home/ragnarok/src/ftoledo/sbbs/git/src/uifc'
make[1]: Entering directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
make libcl.a OBJPATH=./static-obj/ OSNAME=`uname` CFLAGS="-c -D__UNIX__ -DNDEBUG -I. -DDATA_LITTLEENDIAN -DFIXED_SEED=0x85eedc31a09e00bc -fPIC -DHAS_RECURSIVE_MUTEX -DHAS_ROBUST_MUTEX -march=native -mtune=generic -fPIC -Wno-pointer-sign -Wno-strict-aliasing -fwrapv -fno-delete-null-pointer-checks -fstack-protector-strong -D_FORTIFY_SOURCE=2 -DOSVERSION=4 -O3 -fomit-frame-pointer -D_REENTRANT" 
make[2]: Entering directory '/home/ragnarok/src/ftoledo/sbbs/git/3rdp/src/cl'
gcc -c -D__UNIX__ -DNDEBUG -I. -DDATA_LITTLEENDIAN -DFIXED_SEED=0x85eedc31a09e00bc -fPIC -DHAS_RECURSIVE_MUTEX -DHAS_ROBUST_MUTEX -march=native -mtune=generic -fPIC -Wno-pointer-sign -Wno-strict-aliasing -fwrapv -fno-delete-null-pointer-checks -fstack-protector-strong -D_FORTIFY_SOURCE=2 -DOSVERSION=4 -O3 -fomit-frame-pointer -D_REENTRANT -o ./static-obj/bn_asm.o bn/bn_asm.c
gcc -c -D__UNIX__ -DNDEBUG -I. -DDATA_LITTLEENDIAN -DFIXED_SEED=0x85eedc31a09e00bc -fPIC -DHAS_RECURSIVE_MUTEX -DHAS_ROBUST_MUTEX -march=native -mtune=generic -fPIC -Wno-pointer-sign -Wno-strict-aliasing -fwrapv -fno-delete-null-pointer-checks -fstack-protector-strong -D_FORTIFY_SOURCE=2 -DOSVERSION=4 -O3 -fomit-frame-pointer -D_REENTRANT -o ./static-obj/bn_exp.o bn/bn_exp.c

ragnarok@ragnarok:~/src/ftoledo/sbbs/git/src/syncterm$ make
make -C ../xpdev mtlib
make[1]: se entra en el directorio '/home/ragnarok/src/ftoledo/sbbs/git/src/xpdev'
Compiling dirwrap.c
dirwrap.c: In function ‘removecase’:
dirwrap.c:744:9: error: too many arguments to function ‘delfiles’
  return(delfiles(inpath,fname,0) >=1 ? 0 : -1);
         ^~~~~~~~
In file included from dirwrap.c:85:0:
dirwrap.h:233:26: note: declared here
 DLLEXPORT ulong  DLLCALL delfiles(const char *inpath, const char *spec);
                          ^~~~~~~~
dirwrap.c: At top level:
dirwrap.c:753:14: error: conflicting types for ‘delfiles’
 long DLLCALL delfiles(const char *inpath, const char *spec, size_t keep)
              ^~~~~~~~
In file included from dirwrap.c:85:0:
dirwrap.h:233:26: note: previous declaration of ‘delfiles’ was here
 DLLEXPORT ulong  DLLCALL delfiles(const char *inpath, const char *spec);
                          ^~~~~~~~
../build/Common.gmake:455: fallo en las instrucciones para el objetivo 'gcc.linux.x64.obj.debug-mt/dirwrap.o'
make[1]: *** [gcc.linux.x64.obj.debug-mt/dirwrap.o] Error 1
make[1]: se sale del directorio '/home/ragnarok/src/ftoledo/sbbs/git/src/xpdev'
../build/Common.gmake:487: fallo en las instrucciones para el objetivo 'xpdev-mt'
make: *** [xpdev-mt] Error 2
ragnarok@ragnarok:~/src/ftoledo/sbbs/git/src/syncterm$