.\" generated by cd2nroff 0.1 from CURLOPT_PROXYUSERNAME.md .TH CURLOPT_PROXYUSERNAME 3 "March 22 2024" libcurl .SH NAME CURLOPT_PROXYUSERNAME \- user name to use for proxy authentication .SH SYNOPSIS .nf #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYUSERNAME, char *username); .fi .SH DESCRIPTION Pass a char pointer as parameter, which should be pointing to the null\-terminated user name to use for the transfer. \fICURLOPT_PROXYUSERNAME(3)\fP sets the user name to be used in protocol authentication with the proxy. To specify the proxy password use the \fICURLOPT_PROXYPASSWORD(3)\fP. The application does not have to keep the string around after setting this option. .SH DEFAULT blank .SH PROTOCOLS Most .SH EXAMPLE .nf int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin"); curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:8080"); curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, "mrsmith"); curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, "qwerty"); res = curl_easy_perform(curl); curl_easy_cleanup(curl); } } .fi .SH AVAILABILITY Added in 7.19.1 .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_HTTPAUTH (3), .BR CURLOPT_PROXYAUTH (3), .BR CURLOPT_PROXYPASSWORD (3), .BR CURLOPT_USERNAME (3)