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Groups > comp.lang.c > #20402

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

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strchr with its second argument = 0 Thomas Richter <thor@math.tu-berlin.de> - 2012-05-04 20:37 +0200
  Re: strchr with its second argument = 0 Ralf Damaschke <rwspam@gmx.de> - 2012-05-04 18:45 +0000
  Re: strchr with its second argument = 0 Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 19:49 +0000
    Re: strchr with its second argument = 0 Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 19:53 +0000
      Re: strchr with its second argument = 0 pete <pfiland@mindspring.com> - 2012-05-04 19:31 -0400
        Re: strchr with its second argument = 0 Kaz Kylheku <kaz@kylheku.com> - 2012-05-05 02:22 +0000
  Re: strchr with its second argument = 0 pete <pfiland@mindspring.com> - 2012-05-04 19:39 -0400

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