This function is compatible with the following targets:
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EMB/RTOS
|
|
#include <unistd.h>
int isatty(int fildes);Parameters:
Parameters for this facility are:
The function isatty() determines if a specified file_id is attached to the console, or if re-direction is in effect. Example of usage is given in "Example of isatty() ttyname() usage."
#include <console.h>
#include <stdio.h>
#include <unistd.h>
#include <unix.h>
int main(int argc, char **argv)
{
int i;
int file_id;
argc = ccommand(&argv);
file_id = isatty(fileno(stdout));
if(!file_id )
{
for (i=0; i < argc; i++)
printf("command line argument [%d] = %s\n",
i, argv[i]);
}
else printf("Output to window");
printf("The associated terminal is %s",
ttyname(file_id) );
return 0;
}
Result if file redirection is chosen using the command line arguments
Metrowerks CodeWarrior.
Written to file selected:
command line argument [0] = CRef
command line argument [1] = Metrowerks
command line argument [2] = CodeWarrior
The associated terminal is SIOUX
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Last updated: August 16, 2000