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|    comp.lang.c    |    Meh, in C you gotta define EVERYTHING    |    243,242 messages    |
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|    Message 242,030 of 243,242    |
|    Michael Sanders to bart    |
|    Re: strspn()    |
|    22 Nov 25 00:56:06    |
      From: porkchop@invalid.foo              On Sat, 22 Nov 2025 00:04:24 +0000, bart wrote:              > Performance probably isn't critical in your use-case, but the solution       > using 'strspn' was three times as slow as doing the explicit code.       >       > (Test string was a fixed "8725" and tested 100M times.)       >       > This is not surprising since strspn doesn't know that the substring is       > ordered so doesn't need to test every character of the input string       > against every every character of the substring, at least while there is       > a match.              I don't doubt it bart. Where as my loop was custom built for that particular       condition, strspn() has to be alot more generic & thus slower. But still its       a nifty function in concept no?              --       :wq       Mike Sanders              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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