getdtablesize() - get size of descriptor table

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#include <sys.socket.h>

Kernighan-Ritchie-C:
int getdtablesize();


ANSI-C:
int getdtablesize();

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Description

The getdtablesize() function returns the size of the socket descriptor table in bits. The table is valid for all the supported address families, i.e. it contains all the possible descriptors for all the address families.

Return value

0:

If successful.

-1:

If errors occur. errno is not set.

See also

select()