intro(2) System Calls Manual intro(2)
NAME
intro - introduction to system calls
DESCRIPTION
This section describes all of the system calls. All of these calls return a function result. This result indicates the status of the
call. Typically, a zero or positive result indicates that the call completed successfully, and -1 indicates an error. The individual
descriptions specify the details. An error number is also made available in the external variable (see errno(2)). Note: is not cleared on
successful calls. Therefore, it should be tested only after an error has been indicated.
SEE ALSO
intro(3), errno(2), hier(5), introduction(9).
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intro(2)
