debian man page for ndelay_off

ndelay_off(3)						     Library Functions Manual						     ndelay_off(3)

NAME
       ndelay_off - put file descriptor in non-blocking mode

SYNTAX
       #include <ndelay.h>

       extern int ndelay_off(int fd);

DESCRIPTION
       ndelay_off  puts a file descriptor in blocking mode.  Reading from and writing to blocking network sockets, FIFOs or device files will pos-
       sibly not return immediately but wait on more input or buffer space for output.

       If an error occurred, ndelay_off will return nonzero and set errno accordingly.

SEE ALSO
       fcntl(2), ndelay_on(3)

																     ndelay_off(3)