https://salsa.debian.org/med-team/mafft/-/commit/73d7be1d2ee617b3cd533e62adc2536b5c8330a9

From: Michael R. Crusoe <crusoe@debian.org>
Subject: Add GCC-16 compatibility
Forwarded: katoh@ifrec.osaka-u.ac.jp

--- a/core/mltaln.h
+++ b/core/mltaln.h
@@ -166,7 +166,7 @@
 extern char rnaprediction;
 
 /* sengen no ichi ha koko dake de ha nai */
-extern void constants();
+extern void constants( int nseq, char **seq );
 extern char **Calignm1();
 extern char **Dalignm1();
 extern char **align0();
@@ -179,24 +179,24 @@
 extern double substitution_nid( char *, char * );
 extern double substitution_hosei( char *, char * );
 extern double ipower( double, int );
-extern double translate_and_Calign();
-extern double A__align();
+extern double translate_and_Calign( char **mseq1, char **mseq2, double *effarr1, double *effarr2, int clus1, int clus2, int alloclen );
+extern double A__align( double **scoringmtx, int penalty, int penalty_ex, char **seq1, char **seq2, double *eff1, double *eff2, int icyc, int jcyc, int alloclen, int constraint, double *impmatch, char *gs1, char *gs2, char *ge1, char *ge2, int *, int, int *, int headgp, int tailgp, int firstmem, int calledby, double ***cpmxchild0, double ***cpmxchild1, double ***cpmxresult, double orieff1, double orieff2 );
 extern double A__align11();
-extern double A__align_gapmap();
-extern double partA__align();
+extern double A__align_gapmap( char **seq1, char **seq2, double *eff1, double *eff2, int icyc, int jcyc, int alloclen, int constraint, double *impmatch, int *gapmap1, int *gapmap2 );
+extern double partA__align( char **seq1, char **seq2, double *eff1, double *eff2, int icyc, int jcyc, int alloclen, int constraint, double *impmatch, int start1, int end1, int start2, int end2, int *gapmap1, int *gapmap2, char *, char *, char *, char *, int *, int, int * );
 extern double L__align11( double **scoringmtx, double scoreoffset, char **seq1, char **seq2, int alloclen, int *off1pt, int *off2pt );
-extern double G__align11();
-extern double Falign();
-extern double Falign_localhom();
+extern double G__align11( double **scoringmtx, char **seq1, char **seq2, int alloclen, int headgp, int tailgp  );
+extern double Falign( int **whichmtx, double ***scoringmatrices, double **scoreingmtx, char  **seq1, char  **seq2, double *eff1, double *eff2, double **eff1s, double **eff2s, int    clus1, int    clus2, int alloclen, int *fftlog, int *, int, int * );
+extern double Falign_localhom( int **which, double ***scoringmatrices, double **scoreingmtx, char  **seq1, char  **seq2, double *eff1, double *eff2, double **eff1s, double **eff2s, int    clus1, int    clus2, int alloclen, int constraint, double *totalimpmatch, int *gapmap1, int *gapmap2, int *chudanpt, int chudanref, int *chudanres );
 extern double Conalign();
 extern double Aalign();
 extern double imp_match_out_sc( int, int );
 extern double part_imp_match_out_sc( int, int );
-extern void ErrorExit();
-extern void cpmx_calc();
+extern void ErrorExit( char *message );
+extern void cpmx_calc( char **seq, double **cpmx, double *eff, int lgth, int clus );
 extern void intergroup_score( char **, char **, double *, double *, int, int, int, double * );
 extern int conjuctionfortbfast();
-extern int fastconjuction();
+extern int fastconjuction( int *memlist, char **seq, char **aseq, double *peff, double *eff, char name[M][B], char aname[M][B], char *d );
 extern char seqcheck( char ** );
 
 typedef struct _LocalHom