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This page displays the COHERENT manpage for getdtablesize() [Get the number of files a process can open].

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getdtablesize() -- Sockets Function (libsocket)

Get the number of files a process can open
int getdtablesize()

Function getdtablesize() returns the number of file descriptors (and hence,
the number of  files) that a process can have  open at any one time.  It is
meant  to be  an  operating-system independent  means  of determining  this
value;  under  COHERENT, it  returns  the value  of  the manifest  constant
OPEN_MAX.

See Also

libsocket