incompatible pointer type

While compiling the code under Debian Buster, gcc shows these warnings regarding incompatible pointer type passed to sscanf

postpuff.c: In function ‘file_ok_proc’:
postpuff.c:427:12: warning: passing argument 1 of ‘sscanf’ from incompatible pointer type [-Wincompatible-pointer-types]
     sscanf(&buf, "%s %s %s %s %s", tmp[0], tmp[1], tmp[2], tmp[3], tmp[4]);
            ^~~~
In file included from postpuff.c:20:
/usr/include/stdio.h:399:43: note: expected ‘const char * restrict’ but argument is of type ‘char (*)[200]’
 extern int sscanf (const char *__restrict __s,
                    ~~~~~~~~~~~~~~~~~~~~~~~^~~
postpuff.c:447:12: warning: passing argument 1 of ‘sscanf’ from incompatible pointer type [-Wincompatible-pointer-types]
     sscanf(&buf,"%lf %lf %lf %lf %lf %lf %lf %lf %lf",
            ^~~~
In file included from postpuff.c:20:
/usr/include/stdio.h:399:43: note: expected ‘const char * restrict’ but argument is of type ‘char (*)[200]’
 extern int sscanf (const char *__restrict __s,
                    ~~~~~~~~~~~~~~~~~~~~~~~^~~

Submited Pull request #3 and commint 0bf7f2a.