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read.2: Clarify that 'size_t' and 'ssize_t' are integer types specified in POSIX 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2016-04-11 18:03:39 +02:00
parent b4b1c3e7d0
commit aead9ac9bf
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@ -180,6 +180,13 @@ or to return the number of bytes already read.
.SH CONFORMING TO
SVr4, 4.3BSD, POSIX.1-2001.
.SH NOTES
The types
.I size_t
and
.I ssize_t
are, respectively,
unsigned and signed integer data types specified by POSIX.1.
On Linux,
.BR read ()
(and similar system calls) will transfer at most