vfprintf Write a formatted string to a stream &reftitle.description; intvfprintf resourcehandle stringformat arrayargs Write a string produced according to format to the stream resource specified by handle. Operates as fprintf but accepts an array of arguments, rather than a variable number of arguments. &reftitle.parameters; handle format See sprintf for a description of format. args &reftitle.returnvalues; Returns the length of the outputted string. &reftitle.examples; ]]> &reftitle.seealso; printf sprintf sscanf fscanf vsprintf number_format