[KLUG Programming] substr in C?

[Tony Gettig]

Rock on! That is great! Thanks for the clue!

Tony


Quoting Bruce Smith <bruce@armintl.com>:

> > Is there a C equivalent to substr in perl or PHP? Something that might work
> 
> > like this: 
> > 
> > oldstring="Tony missed the clue bus.";
> > /* start at position 0, give me the next 4 chars as my string */
> > newstring=substr(oldstring, 0, 4); 
> > 
> > newstring would then contain the value "Tony". 
> 
> Here's an example that gives you the word "missed" from your string:
> 
> ------------------------------------------------------------------
> #include <stdio.h>
> main(argc, argv)
> int argc;
> char **argv;
> {
> char *oldstring="Tony missed the clue bus.", newstring[7];
>   strncpy(newstring, oldstring+5, 6);
>   newstring[6]='\0';
>   printf("%s\n%s\n", oldstring, newstring);
> }
> ------------------------------------------------------------------
> 
> The word "Tony" is easier since it's at the beginning:
>   strncpy(newstring, oldstring, 4);
>   newstring[4]='\0';
> 
> --------------------------------------------
> Bruce Smith                bruce@armintl.com
> System Administrator / Network Administrator
> Armstrong International, Inc.
> Three Rivers, Michigan  49093  USA
> http://www.armstrong-intl.com/
> --------------------------------------------
> 
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-- 
Tony Gettig
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