scan_noncharsetnskip - skip characters not from set

       scan_noncharsetnskip  returns  the length of the maximum prefix of src that consists solely of characters
       that do not occur in charset (up to and not including the \0).  src is considered to end at \0  or  after
       limit characters.

       scan_noncharsetnskip - skip characters not from set

scan_charsetnskip(3)

                                                                                         scan_noncharsetnskip(3)

#include<libowfat/scan.h>

       size_t scan_noncharsetnskip(const char* src, const char* charset,
              size_t limit);