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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 .SH CONFORMING TO
SVr4, 4.3BSD, POSIX.1-2001. SVr4, 4.3BSD, POSIX.1-2001.
.SH NOTES .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, On Linux,
.BR read () .BR read ()
(and similar system calls) will transfer at most (and similar system calls) will transfer at most