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System calls and libraries

File and device I/O

These system calls perform basic input/output operations on SCO OpenServer system files.

File and device I/O functions

open open a file for reading or writing
creat create a new file or rewrite an existing one
close close a file descriptor
read write transfer data from/onto a file or device
getmsg putmsg get/put message from/onto a stream
lseek move file I/O pointer
fcntl file I/O control
ioctl device I/O control


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SCO OpenServer Release 6.0.0 -- 02 June 2005