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NNTP-Posting-Date: Fri, 04 May 2012 18:39:45 -0500
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Date: Fri, 04 May 2012 19:39:43 -0400
From: pete <pfiland@mindspring.com>
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Subject: Re: strchr with its second argument = 0
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Thomas Richter wrote:
> 
> Hi folks,
> 
> what is the behavior of strchr if the second argument
> (the character to be searched for) is set to zero?
> Does it find the end of the string, or
> does it find nothing and should it return NULL?

str_chr returns the same values that strchr returns.

char *
str_chr(const char *s, int c)
{
    while (*s != (char)c) {
        if (*s == '\0') {
            s = NULL;
            break;
        }
        ++s;
    }
    return (char *)s;
}

-- 
pete