*** pico/os_unix.c.orig	Wed Jun 12 15:47:21 1996
--- pico/os_unix.c	Fri Jun 14 00:15:30 1996
***************
*** 1343,1347 ****
      extern int  sys_nerr;
  
!     return((err >= 0 && err < sys_nerr) ? sys_errlist[err] : NULL);
  }
  
--- 1343,1347 ----
      extern int  sys_nerr;
  
!     return(((err >= 0) && (err < sys_nerr)) ? (char*)sys_errlist[err] : NULL);
  }