tecoc: fix build with gcc15

diff --git a/src/popmac.c b/src/popmac.c

index 91329da..46ccdea 100644

--- a/src/popmac.c

+++ b/src/popmac.c

@@ -38,7 +38,7 @@ DEFAULT PopMac()		/* restore environment after macro exit */

 		ZFree((voidptr)QRp->Start);

 	    }

 	}

-	ZFree(MSp->QRgstr);

+	ZFree((voidptr)MSp->QRgstr);

     }

     --MStTop;

 #if DEBUGGING

diff --git a/src/readcs.c b/src/readcs.c

index 9dd4458..135f240 100644

--- a/src/readcs.c

+++ b/src/readcs.c

@@ -488,7 +488,7 @@ VVOID ReadCS()

 			}

 #if CURSES

 			if (ScroLn > 0 || skiprefresh)

-			    dolf(HowFar);

+			    dolf();

 			if (ScroLn == 0 || skiprefresh)

 #endif

 			    ZDspCh('*');

@@ -537,7 +537,7 @@ VVOID ReadCS()

 			}

 #if CURSES

 			if (ScroLn > 0 && !skiprefresh)

-			    dobs(HowFar);

+			    dobs();

 			if (ScroLn == 0 || skiprefresh)

 #endif

 			    ZDspCh('*');

diff --git a/src/tecoc.h b/src/tecoc.h

index 0debaa7..25a028b 100644

--- a/src/tecoc.h

+++ b/src/tecoc.h

@@ -684,7 +684,7 @@ VVOID	ZVrbos();	/* display verbose form of an error message */

 DEFAULT	ZWrBfr();	/* write line to file */

 #endif

 #if CURSES

-void Scope();

+void Scope(int bot);

 void centre();

 void dolf();

 void dobs();

diff --git a/src/zlinux.c b/src/zlinux.c

index c2c120c..62eb0d4 100644

--- a/src/zlinux.c

+++ b/src/zlinux.c

@@ -103,7 +103,7 @@ static char tbuf[1024];		/* store TERMCAP entry here */

 int	tputs();		/* send termcap string to a given function */

 int	tgetent();		/* load a terminal capability buffer */

 char 	*tgetstr();		/* get str value of a terminal capability */

-static int vernum();		/* see bottom of this file */

+static int vernum(char *target);		/* see bottom of this file */

 static	int SupGotCtC = 0;

 static glob_t pglob;

 static int globindex = 0;

@@ -1479,7 +1479,7 @@ character is received when it is struck, and no echoing is performed.  Save

 the terminal characteristics so when we exit we can reset them (in ZClnUp)

 to what they were before we changed them.

 *****************************************************************************/

-static VVOID CntrlC()

+static VVOID CntrlC(int sig)

 {

     signal(SIGINT, SIG_IGN);

     SupGotCtC = 0;

@@ -1497,7 +1497,7 @@ static VVOID CntrlC()

 /*

  * sighup - what we do if we get a hang up?

  */

-static void sighup()

+static void sighup(int sig)

 {

 	TAbort(EXIT_FAILURE);

 }

diff --git a/src/zport.h b/src/zport.h

index f842ae2..eeb5315 100644

--- a/src/zport.h

+++ b/src/zport.h

@@ -192,7 +192,7 @@ just don't use prototypes in GNU C.

 #if defined(VAX11C) || defined(__TURBOC__) || defined(__POWERC) || defined(ULTRIX)

 #define USE_PROTOTYPES TRUE

 #else

-#define USE_PROTOTYPES FALSE

+#define USE_PROTOTYPES TRUE

 #endif

 /****************************************************************************

@@ -533,7 +533,7 @@ EXTERN VVOID bcopy();

 #elif defined(unix) || defined(AMIGA) || (defined(UNKNOWN) && !defined(__STDC__))

-EXTERN VVOID ZCpyBl();

+EXTERN VVOID ZCpyBl(charptr dest, charptr source, SIZE_T len);

 #define MEMMOVE(dest,source,len) ZCpyBl((dest),(source),(len))

 #elif defined(__TURBOC__) || defined(__POWERC)

    hash = "sha256-KTOGsTtxJh2sneU2VoDNUHcL3m8zt+3rBZTDvK1n02A=";

  };

  patches = [

    ./fix-gcc15.patch

  ];

  buildInputs = [ ncurses ];

  makefile =