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From: richw@rosevax.Rosemount.COM (Rich Wagenknecht)
Newsgroups: comp.lang.c
Subject: MSC-all C's
Message-ID: <3094@rosevax.Rosemount.COM>
Date: Wed, 11-Nov-87 09:53:50 EST
Article-I.D.: rosevax.3094
Posted: Wed Nov 11 09:53:50 1987
Date-Received: Sat, 14-Nov-87 04:46:36 EST
Organization: Rosemount Inc., Eden Prairie, MN
Lines: 16
Keywords: functions, memory models

I have two questions:

  1) What happens in C when a function returns a value which the
     calling line does not assign to a variable? Where does this
     value end up? (example: strcpy(str1,str2); ) Could someone
     explain the process that is gone through when a function is
     called?

  2) Specific to IBM Pc compilers. I am trying to write some
     disk routines (using DOS interrupts <-sp?) I am not sure which
     memory model I will need for a large application program I will
     soon write. How can I generalize these routines to work with any
     memory model. I am specifically concerned with pointers (near/far).

Thankyou in advance.
Rich Wagenknecht