Starting after #src_offset characters, scan through the buffer pointed
to by #psrc, stopping at the first byte matching #delimiter, whereupon, if
#pdst is not NULL, all the bytes previous to #delimiter are appended onto
Starting after #src_offset characters, scan through the buffer pointed
to by #psrc, stopping at the first byte matching #delimiter, whereupon, if
#pdst is not NULL, all the bytes previous to #delimiter are appended onto