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to: tom_torfs
from: Bo Simonsen
date: 2003-09-06 13:00:20
subject: Pointers

Hello tom_torfs!

06 Sep 03 02:06, Kurt Kuzba wrote to All:

 BS>>  Indeed, but how is it in C, with integers, i've defined TRUE
 BS>>  as 1 and FALSE as 0, is
 BS>>     if(function(parm) == TRUE)
 BS>>  nessersary or could I use if(function(parm)) ?

 KK>     By default, 0 is equal to untrue.  If you test a value, such as
 KK>  a pointer, the conditional will be true for any nonzero value.

Okay.

 KK>     if(myPointer) free(myPointer);

The same as if(myPointer != NULL) i bet?

Regards,
Bo


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