If your system lacks /usr/include/local.h ,
then you should create an appropriate local.h in
this directory.  An appropriate local.h may simply
be empty, or it may #define VAX or #define CRAY
(or whatever else you must do to make fp.h work right).
Alternatively, edit fp.h to suite your machine.

If your system's sprintf does not work the way ANSI C
specifies -- specifically, if it does not return the
number of characters transmitted -- then insert the line

#define USE_STRLEN

at the beginning of wref.c .  This is necessary with
at least some versions of Sun software.

If you get error messages about references to cf->_ptr
and cf->_base when compiling wrtfmt.c and wsfe.c or to
stderr->_flag when compiling err.c, then insert the line

#define NON_UNIX_STDIO

at the beginning of fio.h, and recompile these modules.

You may need to supply the following non-ANSI routines:

  access(char *Name, 0) is supposed to return 0
if file Name exists, nonzero otherwise.

  fstat(int fileds, struct stat *buf) is similar
to stat(char *name, struct stat *buf), except that
the first argument, fileds, is the file descriptor
returned by open rather than the name of the file.
fstat is used in the system-dependent routine
canseek (in the libI77 source file err.c), which
is supposed to return 1 if it's possible to issue
seeks on the file in question, 0 if it's not; you may
need to suitably modify err.c

  char * mktemp(char *buf) is supposed to replace the
6 trailing X's in buf with a unique number and then
return buf.  The idea is to get a unique name for
a temporary file.

  void _cleanup(void) is meant to invoke the routines passed
to atexit(), e.g., to flush buffers; see libF77/README.

On non-UNIX systems, you may need to change a few other,
e.g.: the form of name computed by mktemp() in endfile.c and
open.c; the use of the open(), close(), and creat() system
calls in endfile.c, err.c, open.c; and the modes in calls on
fopen() and fdopen() (and perhaps the use of fdopen() itself
-- it's supposed to return a FILE* corresponding to a given
an integer file descriptor) in err.c and open.c (component ufmt
of struct unit is 1 for formatted I/O -- text mode on some systems
-- and 0 for unformatted I/O -- binary mode on some systems).

To check for transmission errors, issue the command
	make check
This assumes you have the xsum program whose source, xsum.c,
is distributed as part of "all from f2c/src".  If you do not
have xsum, you can obtain xsum.c by sending the following E-mail
message to netlib@research.att.com
	send xsum.c from f2c/src