include "sys.m"; sys := load Sys Sys->PATH; iounit: fn(fd: ref FD): int;
The iounit system call returns the I/O unit size for the open file fd. Certain file descriptors, particularly those associated with devices, may have no specific I/O unit, in which case iounit will return zero.
SYS-IOUNIT(2 ) | Rev: Thu Feb 15 14:43:27 GMT 2007 |