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GETDTABLESIZE(2) BSD System Calls Manual GETDTABLESIZE(2) NAME getdtablesize -- get descriptor table size LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <unistd.h> int getdtablesize(void); DESCRIPTION Each process has a fixed size descriptor table, which is guaranteed to have at least 20 slots. The entries in the descriptor table are numbered with small integers starting at 0. The call getdtablesize() returns the size of this table. SEE ALSO close(2), dup(2), open(2), select(2) HISTORY The getdtablesize() function call appeared in 4.2BSD. BSD June 4, 1993 BSD |
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