Converted sstrerror_r prototype from K&R to ANSI C

mediachanger/castorrmc/common/serror.c

@@ -487,11 +487,7 @@ char *sys_secerrlist[ESECMAXERR-ESECBASEOFF+2] =
  *------------------------------------------------------------------------
  */
 
-char *  sstrerror_r(n,buf,buflen)
-     int     n;
-     char    *buf;
-     size_t  buflen;
-{
+char * sstrerror_r(const int n, char *const buf, const size_t buflen) {
   char *tmpstr;
   if ( buf == NULL || buflen <= 0 ) return(NULL);
   memset(buf,'\0',buflen);

mediachanger/castorrmc/h/serrno.h

@@ -485,7 +485,7 @@ EXTERN_C int *C__serrno (void);
  */
 #define serrno (*C__serrno())
 
-EXTERN_C char *sstrerror_r (int,char *, size_t);
+EXTERN_C char *sstrerror_r (const int n, char *const buf, const size_t buflen);
 EXTERN_C char *sstrerror (int);
 EXTERN_C void sperror (char *);