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Date: Mon, 23 Jul 2012 23:39:15 -0400
From: pete <pfiland@mindspring.com>
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Subject: Re: qsort man page
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Xref: csiph.com comp.lang.c:23645

Ike Naar wrote:
> 
> On 2012-07-22, Bill Cunningham <billcun@suddenlink.net> wrote:
> > I'm not quite sure I understand. I wanted to try this,
> >
> > char name[]={"fred","suzy","mike","jennifer"};
> 
> The types of the array and the initializer do not match.
> You probably want
> 
>   char *name[] = {"fred","suzy","mike","jennifer"};

/* BEGIN new.c */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define NMEMB(A)        (sizeof (A) / sizeof *(A))

int cmpstringp(const void *p1, const void *p2);

int 
main(void)
{
    size_t element;
    char *name[] = {"fred","suzy","mike","jennifer"};
    
    qsort(name, NMEMB(name), sizeof *name, cmpstringp);
    for (element = 0; element != NMEMB(name); ++element) {
        puts(name[element]);
    }
    return 0;
}

int
cmpstringp(const void *p1, const void *p2)
{
    const char *const *const pp1 = p1;
    const char *const *const pp2 = p2;

    return strcmp(*pp1, *pp2);
}

/* END new.c */

-- 
pete