From: "<------------------------" Newsgroups: comp.os.msdos.djgpp Subject: Pointers to functions. Date: Sat, 27 Feb 1999 20:12:13 -0000 Organization: Customer of Planet Online Lines: 133 Message-ID: <7b9jku$o7o$1@news6.svr.pol.co.uk> NNTP-Posting-Host: modem-10.benadryl.dialup.pol.co.uk Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0058_01BE628D.7706D5C0" X-Trace: news6.svr.pol.co.uk 920146398 24824 62.136.54.138 (27 Feb 1999 20:13:18 GMT) NNTP-Posting-Date: 27 Feb 1999 20:13:18 GMT X-Complaints-To: abuse AT theplanet DOT net X-Newsreader: Microsoft Outlook Express 4.72.3110.1 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com This is a multi-part message in MIME format. ------=_NextPart_000_0058_01BE628D.7706D5C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, I'm in the process of writing a (very primitive) scrolling shoot-em-up = like space invaders, and in designing the core of the sprite moving program, I have chosen to = have every object call it's update function each frame. All the objects share a common = data type, so I wanted to use function pointers. The problem is, I've never uesd them before. = Just wanted to know how to prototype them (if any changes are needed) and how to specify = them in my object_t structure. I'd also appreciate any help in how I'm supposed to assign = functions to the pointers, and how to call those functions. Thanks! -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Please reply to News Group -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- ------=_NextPart_000_0058_01BE628D.7706D5C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi,

I'm in the=20 process of writing a (very primitive) scrolling shoot-em-up like space=20 invaders,

and in=20 designing the core of the sprite moving program, I have chosen to=20 have every object

call it's=20 update function each frame. All the objects share a common=20 data type, so I wanted

to use=20 function pointers. The problem is, I've never uesd them before.=20 Just wanted to know

how to=20 prototype them (if any changes are needed) and how to specify=20 them in my object_t

structure.=20 I'd also appreciate any help in how I'm supposed to assign=20 functions to the pointers,

and how to=20 call those functions.

Thanks!

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Please reply = to News=20 Group

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