Date: Tue, 16 May 2000 15:32:55 +0200 (CEST) From: Konrad Heuer <kheuer@gwdu60.gwdg.de> To: Alex Kwan <alexkwan@pacific.net.hk> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Different between Borland Turbo C and GNU C Message-ID: <Pine.BSF.4.05.10005161515540.3169-100000@gwdu60.gwdg.de> In-Reply-To: <000701bfbf30$857f2160$c21d40ca@alexkwan>
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On Tue, 16 May 2000, Alex Kwan wrote: > I am learning to program with C, and I have some sample > program which was written by Borland Turbo C, > The source code contents some graphic drawing function,=20 > like line(), setcolor()........Does it also supported by GNU C > and could it compiled by GCC ? No. Functions like those mentioned are part of a special graphics library provided by the Borland C environment. > What is the different between Turbo C and GNU C=20 > (exclude DOS System function)? First, both compilers comply to the (ANSI) standard. This includes a standard library containing all the functions required by the standard (like fprintf, strchr and so on). Each compiler environment can provide more libraries with additional functions. So, you find a graphics library in Borland C. On an UNIX system, there are lot of library functions not available with Borland C. Furthermore, there are C interfaces to the system calls provided by the kernel. To get an impression of the standard library functions available with gcc, try the following commands: ls /usr/share/man/man2 ls /usr/share/man/man3 You can read about the functions by: `man 3 function_name', e.g.: man 3 fprintf > Which books are recommanded for Graphic Drawing > with C under UNIX? Concerning graphics I'd recommend to use the X library which makes a de facto standard in the UNIX world. One document available on the net is the X lib programming guide made available by the MIT (e.g., you may find at ftp://gwdu60.gwdg.de/pub/misc/xlib_prog.ps.gz). Regards Konrad Heuer Personal Bookmarks: Gesellschaft f=FCr wissenschaftliche Datenverarbeitung mbH G=D6ttingen http://www.freebsd.org Am Fa=DFberg, D-37077 G=D6ttingen http://www.daemonnews.o= rg Deutschland (Germany) kheuer@gwdu60.gwdg.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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