zip_source_seek_compute_offset  395 ext/zip/lib/zip.h ZIP_EXTERN zip_int64_t zip_source_seek_compute_offset(zip_uint64_t, zip_uint64_t, void *, zip_uint64_t, zip_error_t *);
zip_source_seek_compute_offset  363 ext/zip/lib/zip_source_buffer.c     zip_int64_t new_offset = zip_source_seek_compute_offset(buffer->offset, buffer->size, data, len, error);
zip_source_seek_compute_offset  183 ext/zip/lib/zip_source_window.c             zip_int64_t new_offset = zip_source_seek_compute_offset(ctx->offset - ctx->start, ctx->end - ctx->start, data, len, &ctx->error);