I need to send things to my printer, how do I do it in LInux??

[Concrete Geist]

Yeah, my printer isn't working, and I don't know what's wrong, so I figure, send it info to print, and use perror when it doesn't print. It's a long shot, but it might work, at least I think so. BTW, I'll be using C.

[Concrete Geist]

And btw, I just need the data stream (stdprn doesn't work in Linux). And I'll be using fprintf.

[debiandude]

Remember everything in linux is a file. Just fopen /dev/lp0. Here look at this:

#include <stdio.h>

int main(void) {

FILE *fp;
char *str = "This is a test";

if((fp = fopen("/dev/lp0", "w")) == NULL) {
perror("ERROR ");
exit(1);
}

fprintf(fp, "%s\f", str);
if(ferror(fp)) {
perror("ERROR");
exit(1);
}

fclose(fp);

return;

}


[ 16 September 2001: Message edited by: debiandude ]

[Concrete Geist]

thanks. :)
Now, it says ERROR : Device or Resource busy

What do you think could be causing this, and how could I fix it?
I know that when I open it up to look at the ink, it's supposed to make some noise and the ink cartridge moves around (it's a Cannon). But nothing's happening, it doesn't print, and I can't get to it through printerdrake either. :confused: