.\" generated by cd2nroff 0.1 from CURLOPT_PROXY_TLSAUTH_USERNAME.md
.TH CURLOPT_PROXY_TLSAUTH_USERNAME 3 "2024-04-19" libcurl
.SH NAME
CURLOPT_PROXY_TLSAUTH_USERNAME \- username to use for proxy TLS authentication
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_TLSAUTH_USERNAME,
                          char *user);
.fi
.SH DESCRIPTION
Pass a char pointer as parameter, which should point to the null\-terminated
username to use for the HTTPS proxy TLS authentication method specified with
the \fICURLOPT_PROXY_TLSAUTH_TYPE(3)\fP option. Requires that the
\fICURLOPT_PROXY_TLSAUTH_PASSWORD(3)\fP option also be set.

The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL
.SH PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

This option works only with the following TLS backends:
GnuTLS and OpenSSL
.SH EXAMPLE
.nf
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
    curl_easy_setopt(curl, CURLOPT_PROXY_TLSAUTH_TYPE, "SRP");
    curl_easy_setopt(curl, CURLOPT_PROXY_TLSAUTH_USERNAME, "user");
    curl_easy_setopt(curl, CURLOPT_PROXY_TLSAUTH_PASSWORD, "secret");
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}
.fi
.SH AVAILABILITY
Added in 7.52.0.
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH SEE ALSO
.BR CURLOPT_PROXY_TLSAUTH_PASSWORD (3),
.BR CURLOPT_PROXY_TLSAUTH_TYPE (3),
.BR CURLOPT_TLSAUTH_PASSWORD (3),
.BR CURLOPT_TLSAUTH_TYPE (3)