What's a good name for...

A function that's like strchr or strrchr, but finds either the first or last character of a string that is NOT equal to the given character?

>The following names are grouped under individual headers for convenience.
>All external names described below are reserved no matter what headers are included by the program.

...

7.31.12 General utilities <stdlib.h>
Function names that begin with str and a lowercase letter may be added to the declarations in the <stdlib.h> header.


>7.31.13 String handling <string.h>
Function names that begin with str, mem, or wcs and a lowercase letter may be added to the declarations in the <string.h> header.


HAHAHAH THE STANDARD WINS AGAIN!
*DANCES AROUND IN CIRCLES WITH RICHARD STALLMAN AND THE SUSSMAN*