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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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#ifdef __cplusplus

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extern "C" {

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#endif

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#ifndef _TOOLS_H_

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#define _TOOLS_H_

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#ifndef _CARAT_TYPEDEF_H_

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#include"typedef.h"

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#endif

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#ifdef __STDC__

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/*-------------------------------------------------------------*\

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| FILE: carat_exit.c 

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\*-------------------------------------------------------------*/

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extern void carat_exit(char *fmt, ...);

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/*-------------------------------------------------------------*\

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| FILE: chin_remainder.c 

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\*-------------------------------------------------------------*/

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extern int chin_remainder(int x1, int x2, int p1, int p2);

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/*-------------------------------------------------------------*\

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| FILE: intpow.c 

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\*-------------------------------------------------------------*/

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extern int intpow(int a,int b);

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/*-------------------------------------------------------------*\

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| FILE: itoa.c 

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\*-------------------------------------------------------------*/

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extern void itoa(int n, char s[]);

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/*-------------------------------------------------------------*\

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| FILE: malloc2dim.c 

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\*-------------------------------------------------------------*/

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extern char **calloc2dim(int r,int c,int size);

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extern char **malloc2dim(int r,int c,int size);

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extern void memcpy2dim(char **dest, char **src, int r,int c,int size);

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extern void memset2dim(char **dest, int r, int c, int size, char *value);

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extern void free2dim(char **old, int rows);

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/*-------------------------------------------------------------*\

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| FILE: mindiv.c 

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\*-------------------------------------------------------------*/

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extern int min_div( int a, int b) ;

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/*-------------------------------------------------------------*\

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| FILE: ovfl_mul.c 

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\*-------------------------------------------------------------*/

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extern int ovfl_mul( int a, int b);

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/*-------------------------------------------------------------*\

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| FILE: prime_tools.c 

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\*-------------------------------------------------------------*/

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extern int act_prime;

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extern int (*S)(int, int);

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extern int (*P)(int, int);

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extern void cleanup_prime();

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extern void init_prime ( int prime);

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/*-------------------------------------------------------------*\

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| FILE: ramdom.c

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\*-------------------------------------------------------------*/

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extern int random_own();

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/*-------------------------------------------------------------*\

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| FILE: tools.c 

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\*-------------------------------------------------------------*/

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extern rational Zero;

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extern rational One;

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extern int GGT (int _a, int _b);

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extern int KGV(  int a,  int b );

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extern void Normal (rational *a);

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extern void Normal2 ( int *_z, int *_n );

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extern void rat_add( int *az, int *an, int bz, int bn );

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extern int *factorize_new( int zahl, int *erg);

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extern int *factorize( int zahl);

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extern void gcd_darstell(int a1, int a2, int *v1, int *v2, int *gcd);

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extern int p_inv(int a, int p);

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extern int signum(int a);

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#else

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/*-------------------------------------------------------------*\

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| FILE: carat_exit.c 

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\*-------------------------------------------------------------*/

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extern void carat_exit();

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/*-------------------------------------------------------------*\

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| FILE: chin_remainder.c 

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\*-------------------------------------------------------------*/

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extern int chin_remainder();

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/*-------------------------------------------------------------*\

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| FILE: intpow.c 

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\*-------------------------------------------------------------*/

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extern int intpow();

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/*-------------------------------------------------------------*\

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| FILE: itoa.c 

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\*-------------------------------------------------------------*/

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extern void itoa();

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/*-------------------------------------------------------------*\

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| FILE: malloc2dim.c 

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\*-------------------------------------------------------------*/

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extern char **calloc2dim();

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extern char **malloc2dim();

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extern void memcpy2dim();

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extern void memset2dim();

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extern void free2dim();

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/*-------------------------------------------------------------*\

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| FILE: mindiv.c 

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\*-------------------------------------------------------------*/

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extern int min_div();

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/*-------------------------------------------------------------*\

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| FILE: ovfl_mul.c 

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\*-------------------------------------------------------------*/

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extern int ovfl_mul();

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/*-------------------------------------------------------------*\

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| FILE: prime_tools.c 

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\*-------------------------------------------------------------*/

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extern int act_prime;

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extern int (*S)();

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extern int (*P)();

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extern void cleanup_prime();

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extern void init_prime ();

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/*-------------------------------------------------------------*\

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| FILE: ramdom.c

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\*-------------------------------------------------------------*/

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extern int random_own();

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/*-------------------------------------------------------------*\

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| FILE: tools.c 

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\*-------------------------------------------------------------*/

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extern rational Zero;

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extern rational One;

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extern int GGT ();

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extern int KGV();

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extern void Normal ();

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extern void Normal2 ();

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extern void rat_add();

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extern int *factorize_new();

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extern int *factorize();

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extern void gcd_darstell();

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extern int p_inv();

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extern int signum();

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#endif

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#endif

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#ifdef __cplusplus

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}

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#endif

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