/ Print out an error message with perror() (for system errors; based * on value of errno, which indicates system call errors) and exit the * program

/ Get a line from a socket, whether the line ends in a newline, * carriage return, or a CRLF combination. Terminates the string read * with a null

/ Inform the client that a CGI script could not be executed. * Parameter: the client socket descriptor. */ /

/ Give a client a 404 not found status message. */ /

/ Inform the client that a request it has made has a problem. * Parameters: client socket */ /

/ Put the entire contents of a file out on a socket. This function * is named after the UNIX "cat" command, because it might have been * easier jus

/ Execute a CGI script. Will need to set environment variables as * appropriate. * Parameters: client socket descriptor * path to the

/ Return the informational HTTP headers about a file. */ Parameters: the socket to print the headers on * the name of the file */ /

/ Send a regular file to the client. Use headers, and report * errors to client if they occur. * Parameters: a pointer to a file structure produced

/ This function starts the process of listening for web connections * on a specified port. If the port is 0, then dynamically allocate a * port and

/ Inform the client that the requested web method has not been * implemented. * Parameter: the client socket */ /

/ A request has caused a call to accept() on the server port to * return. Process the request appropriately. * Parameters: the socket connected to