1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLOPT_VERBOSE 5Section: 3 6Source: libcurl 7See-also: 8 - CURLOPT_DEBUGFUNCTION (3) 9 - CURLOPT_ERRORBUFFER (3) 10 - CURLOPT_STDERR (3) 11 - curl_global_trace (3) 12Protocol: 13 - All 14Added-in: 7.1 15--- 16 17# NAME 18 19CURLOPT_VERBOSE - verbose mode 20 21# SYNOPSIS 22 23~~~c 24#include <curl/curl.h> 25 26CURLcode curl_easy_setopt(CURL *handle, CURLOPT_VERBOSE, long onoff); 27~~~ 28 29# DESCRIPTION 30 31Set the *onoff* parameter to 1 to make the library display a lot of 32verbose information about its operations on this *handle*. Useful for 33libcurl and/or protocol debugging and understanding. The verbose information 34is sent to stderr, or the stream set with CURLOPT_STDERR(3). 35 36You hardly ever want this enabled in production use, you almost always want 37this used when you debug/report problems. 38 39To also get all the protocol data sent and received, consider using the 40CURLOPT_DEBUGFUNCTION(3). 41 42# DEFAULT 43 440, meaning disabled. 45 46# %PROTOCOLS% 47 48# EXAMPLE 49 50~~~c 51int main(void) 52{ 53 CURL *curl = curl_easy_init(); 54 if(curl) { 55 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 56 57 /* ask libcurl to show us the verbose output */ 58 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); 59 60 /* Perform the request */ 61 curl_easy_perform(curl); 62 } 63} 64~~~ 65 66# %AVAILABILITY% 67 68# RETURN VALUE 69 70Returns CURLE_OK 71
