05-27-2007
Basic multi module problem
I am trying to learn how to use multiple modules and hearder files. I have tried a little experiment but cannot get it to work. Here is my code and compilation attempt. Any help with finding my problems appreciated.
The main function (main01.c) calls a function located in another file (flasher01.c) that adds two integers and a constant which is defined in the header file (flasher01.h) and then outputs the result.
[me@myplace]$ cat main01.c
/* main01.c
testing multi modules */
#include <stdio.h>
#include "flasher01.h"
int main (void)
{
int a = 3, b=4, c;
c = adder(a,b);
printf ("%d%c", c, '\n');
}
[me@myplace]$ cat flasher01.c
/* flasher01.c
muulti module test */
#include "flasher01.h"
int adder (int int1, int int2)
{
return int1 + int2 + CONSTANT;
}
[me@myplace]$ cat flasher01.h
/* flasher01.h
testing multi modules */
#define CONSTANT 22
int adder (int int1, int int2)
[me@myplace]$ gcc main01.c flasher01.c flasher01.h -o mainApp
main01.c: In function `adder':
main01.c:11: error: parse error before '{' token
main01.c:10: error: parm types given both in parmlist and separately
flasher01.c: In function `adder':
flasher01.c:10: error: parse error before '{' token
flasher01.c:9: error: parm types given both in parmlist and separately
gcc: compilation of header file requested
[me@myplace]$
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LEARN ABOUT MOJAVE
moose::autobox::code5.18
Moose::Autobox::Code(3) User Contributed Perl Documentation Moose::Autobox::Code(3)
NAME
Moose::Autobox::Code - the Code role
SYNOPOSIS
use Moose::Autobox;
my $adder = sub { $_[0] + $_[1] };
my $add_2 = $adder->curry(2);
$add_2->(2); # returns 4
# create a recursive subroutine
# using the Y combinator
*factorial = sub {
my $f = shift;
sub {
my $n = shift;
return 1 if $n < 2;
return $n * $f->($n - 1);
}
}->y;
factorial(10) # returns 3628800
DESCRIPTION
This is a role to describe operations on the Code type.
METHODS
curry (@values)
rcurry (@values)
conjoin (&sub)
disjoin (&sub)
compose (@subs)
This will take a list of @subs and compose them all into a single subroutine where the output of one sub will be the input of another.
y This implements the Y combinator.
u This implements the U combinator.
meta
SEE ALSO
<http://en.wikipedia.org/wiki/Fixed_point_combinator>
<http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/20469>
BUGS
All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to
cpan-RT.
AUTHOR
Stevan Little <stevan@iinteractive.com>
COPYRIGHT AND LICENSE
Copyright 2006-2008 by Infinity Interactive, Inc.
<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.18.2 2013-10-27 Moose::Autobox::Code(3)