.TH GETDTABLESIZE 3  "December 4, 2009"
.UC 4
.SH NAME
getdtablesize \- query maximum number of open files
.SH SYNOPSIS
.nf
.ft B
#include <unistd.h>

int getdtablesize(void);
.fi
.SH DESCRIPTION
getdtablesize returns the number of files that may be open at the same time
in a process.
.SH "RETURN VALUE
The number of files that may be open at the same time in a process is returned.