Man page - curlinfo_scheme(3)

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Manual

CURLINFO_SCHEME

NAME
SYNOPSIS
DESCRIPTION
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO

NAME

CURLINFO_SCHEME - get the URL scheme (sometimes called protocol) used in the connection

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SCHEME, char **scheme);

DESCRIPTION

Pass a pointer to a char pointer to receive the pointer to a null-terminated string holding the URL scheme used for the most recent connection done with this CURL handle .

The scheme pointer is NULL or points to private memory. You MUST NOT free - it gets freed when you call curl_easy_cleanup(3) on the corresponding curl handle.

The returned scheme might be upper or lowercase. Do comparisons case insensitively.

PROTOCOLS

This functionality affects all supported protocols

EXAMPLE

int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
res = curl_easy_perform(curl);
if(res == CURLE_OK) {
char *scheme = NULL;
curl_easy_getinfo(curl, CURLINFO_SCHEME, &scheme);
if(scheme)
printf("scheme: %s\n", scheme); /* scheme: HTTP */
}
curl_easy_cleanup(curl);
}
}

AVAILABILITY

Added in curl 7.52.0

RETURN VALUE

curl_easy_getinfo(3) returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3) .