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CURLOPT_EXPECT_100_TIMEOUT_MS(3)

Library Functions Manual

CURLOPT_EXPECT_100_TIMEOUT_MS(3)

NAME

CURLOPT_EXPECT_100_TIMEOUT_MS - timeout for Expect: 100-continue response

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_EXPECT_100_TIMEOUT_MS,
long milliseconds);

DESCRIPTION

Pass a long to tell libcurl the number of milliseconds to wait for a server response with the HTTP status 100 (Continue), 417 (Expectation Failed) or similar after sending an HTTP request containing an Expect: 100-continue header. If this times out before a response is received, the request body is sent anyway.

DEFAULT

1000 milliseconds

PROTOCOLS

This functionality affects http only

EXAMPLE

int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

/* wait 3 seconds for 100-continue */
curl_easy_setopt(curl, CURLOPT_EXPECT_100_TIMEOUT_MS, 3000L);

curl_easy_perform(curl);
}
}

AVAILABILITY

Added in curl 7.36.0

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.