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CURLOPT_E...TIMEOUT_MS(3)  Library Functions Manual  CURLOPT_E...TIMEOUT_MS(3)

NAME
       CURLOPT_EXPECT_100_TIMEOUT_MS  -	 timeout  for Expect: 100-continue re-
       sponse

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
       curl_easy_setopt(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).

SEE ALSO
       CURLOPT_HTTPPOST(3), CURLOPT_POST(3)

libcurl				  2025-06-03	     CURLOPT_E...TIMEOUT_MS(3)

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