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CGI in C: need help determining mime types of files

hello everyone,

I've got a mind bug i cant seem to figure out.. i'm trying to determine mime type of any file (the cgi takes a filename as an argument, makes sure all the "download slots" aren't being used and then sends the file out), reads it, and spews it out. However, i'm sending out

Code:

printf("Content-Type: null/null\n\n");

i've been scouring the man pages and the internet for routines that do this for me, i had read that gnome had something like "gnome_mime_type(file)", but appearantly it's not installed on my system... Any ideas?

Maybe you could use system() to run the file --mime command.