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From: Blue-Maned_Hawk <bluemanedhawk@invalid.invalid>
Newsgroups: comp.lang.c
Subject: Re: is it possible to point to a slice of an array without malloc or
VLAs?
Date: Wed, 28 Aug 2024 14:25:59 -0000 (UTC)
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Mark Summerfield wrote:
> I'm using getopt_long() to process a command line.
> So after a typical call I might have:
>
> argv == {"./efind", "-D", "-x", "one", "two", "three", "four"}
> optind == 3
>
> What I'd like to do (without copying or mallocing and without using a
> VLA)
> is to get a pointer to a slice of argv, specifically,
> {"one", "two", "three", "four"}.
> In Python terms argv[optind:argc].
>
> Is this possible in C?
Yes.
const char * argv_slice[argc - optind] = &argv[optind];
--
Blue-Maned_Hawk│shortens to Hawk│/blu.mɛin.dʰak/│he/him/his/himself/Mr.
blue-maned_hawk.srht.site
This subroutine must not be called from any thread.