given data. Free with [glib.global.gfree]
contentTypeGuess
fn
string contentTypeGuess(string filename, ubyte[] data, out bool resultUncertain)Guesses the content type based on example data. If the function is uncertain, result_uncertain will be set to true. Either filename or data may be null, in which case the guess will be based solely on the other argument.
Parameters
filename | a path, or null |
data | a stream of data, or null |
resultUncertain | return location for the certainty of the result, or null |
Returns
a string indicating a guessed content type for the