argz_next.c from Gdb at Krugle
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/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
char *
_DEFUN (argz_next, (argz, argz_len, entry),
char *argz _AND
size_t argz_len _AND
const char *entry)
{
if (entry)
{
while(*entry != '\0')
entry++;
entry++;
if (entry >= argz + argz_len)
return NULL;
else
return (char *) entry;
}
else
{
if (argz_len > 0)
return (char *) argz;
else
return NULL;
}
}
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