libcurl is a free, open-source client-side URL transfer library supporting extensive protocols including HTTP, HTTPS, FTP, and SMTP for various software applications.
libcurl is a highly portable, free, and open-source client-side URL transfer library used by thousands of software applications worldwide. It serves as the transfer engine for command-line tools and embedded devices, supporting a vast array of protocols such as DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMTP, TELNET, and TFTP.
Designed for integration into C programs and other languages, libcurl offers advanced features including SSL certificate support, HTTP POST and PUT, FTP uploading, HTTP form-based upload, proxies, cookies, and user/password authentication. It is built to be thread-safe and compatible with IPv6, making it a robust solution for developers needing reliable network data transfer capabilities.
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libcurl is a free and easy-to-use client-side URL transfer library used to transfer data with mainly URL syntax, supporting protocols like HTTP, FTP, SMTP, and many more.
You should call curl_easy_cleanup as the last function for an easy session to release associated resources and close connections. It must be called with the same handle returned by curl_easy_init.
Yes, libcurl is generally thread-safe, with exception to signal handlers and alarm handlers. When using multiple threads, it is recommended to set CURLOPT_NOSIGNAL to TRUE.
The function curl_easy_reset re-initializes all options previously set on a specified CURL handle to the default values, effectively returning it to the state it was in upon creation.