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RedHat 9 (Linux i386) - man page for getdtablesize (redhat section 2)

GETDTABLESIZE(2)		    Linux Programmer's Manual			 GETDTABLESIZE(2)

NAME
       getdtablesize - get descriptor table size

SYNOPSIS
       #include <unistd.h>

       int getdtablesize(void);

DESCRIPTION
       getdtablesize  returns  the maximum number of files a process can have open, one more than
       the largest possible value for a file descriptor.

RETURN VALUE
       The current limit on the number of open files per process.

NOTES
       getdtablesize is implemented as a libc library function. The  glibc  version  calls  getr-
       limit(2)  and  returns  the current RLIMIT_NOFILE limit, or OPEN_MAX when that fails.  The
       libc4 and libc5 versions return OPEN_MAX (set to 256 since Linux 0.98.4).

CONFORMING TO
       SVr4, 4.4BSD (the getdtablesize function first appeared in BSD 4.2).

SEE ALSO
       close(2), dup(2), getrlimit(2), open(2)

Linux 2.4				    2002-04-15				 GETDTABLESIZE(2)


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