curl_global_init.3: minor formatting fix, add version info

.\" *                            | (__| |_| |  _ <| |___

.\" *                             \___|\___/|_| \_\_____|

.\" *

.\" * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.

.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.

.\" *

.\" * This software is licensed as described in the file COPYING, which

.\" * you should have received as part of this distribution. The terms

\fBThis function is not thread safe.\fP You must not call it when any other

thread in the program (i.e. a thread sharing the same memory) is running.

This doesn't just mean no other thread that is using libcurl.  Because

\fIcurl_global_init()\fP calls functions of other libraries that are similarly

thread unsafe, it could conflict with any other thread that uses these other

libraries.

\fIcurl_global_init(3)\fP calls functions of other libraries that are

similarly thread unsafe, it could conflict with any other thread that uses

these other libraries.

See the description in \fBlibcurl\fP(3) of global environment requirements for

See the description in \fBlibcurl(3)\fP of global environment requirements for

details of how to use this function.

.SH FLAGS

.TP

.B CURL_GLOBAL_ACK_EINTR

When this flag is set, curl will acknowledge EINTR condition when connecting

or when waiting for data.  Otherwise, curl waits until full timeout elapses.

or when waiting for data.  Otherwise, curl waits until full timeout

elapses. (Added in 7.30.0)

.SH RETURN VALUE

If this function returns non-zero, something went wrong and you cannot use the

other curl functions.