[MLUG] String manipulation in C

[Jack Smith <EMAIL:PROTECTED>]

I have a little problem that you guys might be able to solve. I am trying to find out where a short sequence of letters matches in a much longer sequence of letters. I can find the location of the first match, but I cannot make it find any subsequent matches and need to. After reading the GNU regex documentation, I don't think that the regexec() function searches beyond one match of pattern in string. 

So what I'd like to do is hack everything off of the first string after the end of the first match. If I am looking for "ABC" in the following string:

     XXXXXABCXXXXXABCXX

I'd like to reduce the string to 

    XXXXXABCXX

after the first "ABC" is found so that the second match can be found. I cannot find a function that will copy the last n digits of a string into an array (sort of an opposite to strncpy()) so that I could simply cleave out anything before and including the match in string, then search the remainder. 

Any help would be appreciated.

Jack


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