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Full Discussion: C Brain Teaser
Top Forums Programming C Brain Teaser Post 302117203 by kahuna on Friday 11th of May 2007 08:22:01 AM
Old 05-11-2007
Quote:
Originally Posted by Perderabo
If we are not allowed to store the output from the compiler into a file, then I will concede defeat. Not only is this challenge impossible, but it is now impossible to run any processes at all.
The original challenge clearly allows the program to be compiled. But it does not allow the program itself to use "files". It does not exclude the executeable file from the no use requirement.
Quote:
Write a C program to do a small task(lets say just simply printing a "Hello World" or so) such that the program should only give output or the desired result ony once after it got compiled and should never give the output nor do anything else. The program should not make use of files or any extrnal means of storing some data.
 

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MACSAVE(1)						      General Commands Manual							MACSAVE(1)

NAME
macsave - Save Mac files read from standard input SYNOPSIS
macsave [ - options ] DESCRIPTION
macsave reads a sequence of Macintosh MacBinary files from standard input and writes the files it contains subject to the options speci- fied. OPTIONS
In the absence of any options, macsave reads standard input and silently writes the file(s) it contains in MacBinary format, giving the output files ".bin" extensions and placing them in the current working directory. Subdirectories are created for embedded folders. -3 Write files in fork format (.info, .data and .rsrc files.) -f As -3, but empty data and rsrc files are not created. -r Write resource forks only (.rsrc files.) -d Write data forks only (.data files.) -u As -d, but the codes for CR and LF are interchanged, the filename extension is .text. -U As -u, but there is no filename extension. -a Write files in AppleShare format. This option is only valid if the program is compiled with support for some form of AppleShare. The current directory must be a valid AppleShare folder. -s Write extracted files to standard output in MacBinary format. -l List every file extracted (and every directory/folder created etc.) -i Do not extract, give information only (implies -l.) -q Ask the user for every file/folder whether it should be extracted (implies -l.) -V Gives the patchlevel of the program, and other information. Other options are ignored and the program quits immediately. -H Give short information about the options. Other options are ignored and the program quits immediately. BUGS
As this is a beta release, there may still be some problems. SEE ALSO
macutil(1) AUTHOR
Dik T. Winter, CWI, Amsterdam, The Netherlands (dik@cwi.nl) 3rd Berkeley Distribution October 22, 1992 MACSAVE(1)
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