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(The comments found at the beginning of the groff file "man2/getdtablesize.2freebsd".)
- get file descriptor limit
Fn getdtablesize void
system call returns the maximum number of file descriptors
that the current process may open.
The maximum file descriptor number that the system may assign
is the return value minus one.
Existing file descriptor numbers may be higher
if the limit was lowered after they were opened.
system call appeared in