should strstr return const char* ?

[Jon <jg@xxxxxxxx>]

Hi there,

A couple of queries. I hope could be considered.

I see this function on Ubuntu 9.10:

     char *strstr(const char *haystack, const char *needle);

Should it not return as const char * though?

Also could the description be clarified:

DESCRIPTION
       The strstr() function finds the first occurrence of the 
substring needle in the string haystack.  The terminating
       '\0' characters are not compared.


Can this be added: "If needle is longer than haystack it will never 
match. When the search reaches a character position in haystack which 
does not leave enough characters left to compare, searching will end, 
the haystack buffer will not be overrun.

Thanks again for considering this.
Cheers, Jon
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