(PECL event >= 1.4.0-beta) Adds an HTTP header to the headers of the request

(PECL event >= 1.2.6-beta) Scans the resolv.conf-formatted file

(PECL event >= 1.7.0) Returns numeric file descriptor of a socket, or stream

(PECL event >= 1.4.0-beta) Finds the value belonging a header

(PECL libevent >= 0.0.1) Make event non-pending and free resources allocated for this event.

(PECL event >= 1.2.6-beta) Linearizes data within buffer and returns it's contents as a string

(PECL event >= 1.2.6-beta) Moves all data from source buffer to the front of current buffer

(PECL event >= 1.5.0) Scans the buffer for an occurrence of an end of line

(PECL event >= 1.4.0-beta) Cancels a pending HTTP request

(PECL event >= 1.6.0) Write contents of the buffer to a file or socket