getdtablesize(2)					      getdtablesize(2)

NAME    [Toc]    [Back]

     getdtablesize - get file descriptor table size

SYNOPSIS    [Toc]    [Back]

     #include <unistd.h>

     int getdtablesize(void);

DESCRIPTION    [Toc]    [Back]

     getdtablesize returns the maximum number of file descriptors that the
     calling process can open.	The related getdtablehi(3C) function returns
     the value of the largest open file	descriptor, plus one.  The description
     of	{OPEN_MAX} in intro(2) provides	more information about how file
     descriptors are allocated and the various limits imposed on their use.

SEE ALSO    [Toc]    [Back]

     close(2), getdtablehi(3C),	intro(2), open(2), select(2), setrlimit(2),
     dup(3C)


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