04-21-2013
From iOS programming to Linux system programming
Hello.
I like Linux and C programming language. Allways wanted to understand kernel and become a Linux system programmer. And I also like Objective-C and iOS. These two programming areas have relations:
1. Linux and iOS are UNIX-like systems, POSIX compliant.
2. It is useful to know C language for iOS programmer.
And I have these questions:
1) Is it useful for usual iOS web/GUI/game programmer to know UNIX/FreeBSD programming?
2) Is it useful for usual iOS web/GUI/game programmer to know iOS kernel and iOS system programming?
3) Is it difficult to transit from iOS programming to Linux system programming?
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LEARN ABOUT MOJAVE
curlopt_proxy_sslcerttype
CURLOPT_PROXY_SSLCERTTYPE(3) curl_easy_setopt options CURLOPT_PROXY_SSLCERTTYPE(3)
NAME
CURLOPT_PROXY_SSLCERTTYPE - specify type of the proxy client SSL certificate
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLCERTTYPE, char *type);
DESCRIPTION
Pass a pointer to a zero terminated string as parameter. The string should be the format of your client certificate used when connecting to
a HTTPS proxy.
Supported formats are "PEM" and "DER", except with Secure Transport. OpenSSL (versions 0.9.3 and later) and Secure Transport (on iOS 5 or
later, or OS X 10.7 or later) also support "P12" for PKCS#12-encoded files.
The application does not have to keep the string around after setting this option.
DEFAULT
"PEM"
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Added in 7.52.0
If built TLS enabled.
RETURN VALUE
Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.
SEE ALSO
CURLOPT_PROXY_SSLCERT(3), CURLOPT_PROXY_SSLKEY(3), CURLOPT_SSLCERTTYPE(3),
libcurl 7.54.0 December 21, 2016 CURLOPT_PROXY_SSLCERTTYPE(3)