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Re: Re: using strict and functions

by metadoktor (Hermit)
on Jan 18, 2002 at 00:58 UTC ( #139634=note: print w/ replies, xml ) Need Help??


in reply to Re: using strict and functions
in thread using strict and functions

In some languages you do have to declare all variables at the beginning (Pascal, and I think BASIC) .. but C and Perl give you more flexibility.

Hmm...I think you meant to say C++ here. C doesn't give you that kind of flexibility; however, C++ does.

metadoktor

"The doktor is in."


Comment on Re: Re: using strict and functions
Re: Re: Re: using strict and functions
by talexb (Canon) on Jan 18, 2002 at 07:14 UTC
    Hmm...I think you meant to say C++ here. C doesn't give you that kind of flexibility; however, C++ does.
    #include <stdio.h> int main ( int iArgC, char * apsqArgV[] ) { printf ( "Hello, world! This is cygwqin speaking.\n" ); { char szMsg[] = "Not so!"; printf ( "Now inside scope, msg is %s.\n", szMsg ); } return ( 0 ); // Success is zero in Windows. }
    This is the kind of scope that I was talking about. The char array szMsg is declared at the start of the scope; this code compiles and runs correctly under CygWin (Win98).

    You may have been talking about the following:

    void FooBar ( void ) { int iBeer, iVodka; float fCredit = 20.0; .. /* Code here */ iBeer++; fCredit -= 2.50; .. /* More code */ char *apszVarious[]; /* ILLEGAL in C */ }
    I will grant that this kind of variable declaration is valid in Perl but not valid in C.

    --t. alex

    "Of course, you realize that this means war." -- Bugs Bunny.

      When I have been studying C it was illegal C code. Well, it was long time ago. Maybe standart have been changed. Or it is just a gcc extension to C (gcc has plenty of them).

      BTW function prototypes was not always part of C. IIRC some time ago you had to rewrite it as:

      #include <stdio.h> int main ( iArgC, apsqArgV ) int iArgC; char * apsqArgV[]; { char szMsg[] = "Not so!"; printf ( "Hello, world! This is cygwqin speaking.\n" ); { printf ( "Now inside scope, msg is %s.\n", szMsg ); } return ( 0 ); // Success is zero in Windows. }

      --
      Ilya Martynov (http://martynov.org/)

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