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Top Forums Programming Curious About Offbeat "#" Usage in C . . . Post 302928669 by Don Cragun on Saturday 13th of December 2014 09:51:13 PM
Old 12-13-2014
The #if, #else, and #endif are C pre-processor directives. If the macro PERL_VERSION expands to a value greater than 7, the code between the #if and the #else will be compiled into the program; otherwise the code between the #else and the #endif will be compiled into the program.
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OCSIGEN(1)						      General Commands Manual							OCSIGEN(1)

NAME
ocsigen - Web Development framework in OCaml SYNOPSIS
ocsigen [options] DESCRIPTION
ocsigen is a programming framework providing a new way to create dynamic web sites. Its goal is to offer an alternative to Apache/PHP, based on cutting-edge technologies coming from research in programming languages. With ocsigen, you program in a concise and modular way, with a strong type system which helps you to produce valid xhtml. The server handles sessions, URLs, and page parameters automatically. OPTIONS
-c, --config Alternate configuration file. -d, --daemon Daemon mode (detach the process). This is the default when there are more than 1 process. -help, --help Show summary of options. -p, --pidfile Specify a file where to write the PIDs of the servers. -s, --silent Silent mode (error messages go in errors.log only). -v, --verbose Verbose mode. -V , --veryverbose Very verbose mode (debug). -version Show version of program. SEE ALSO
ocamlc(1). AUTHOR
ocsigen was written by Vincent Balat <vincent.balat@pps.jussieu.fr>. This manual page was written by Samuel Mimram <smimram@debian.org>, for the Debian project (but may be used by others). 2006-09-14 OCSIGEN(1)
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