Robuta

https://sourceware.org/legacy-ml/cygwin/2006-01/msg00951.html
eric blakelseekread
https://docs.oracle.com/cd/E88353_01/html/E37841/lseek-2.html
lseek - move read/write file pointer The lseek() function sets the file pointer associated with the open file descriptor specified by fildes as follows:
man pagessystem callslseeksection