#include <stdio.h>
#include <io.h>
...
if (isatty(fileno(stdin)))
printf( "stdin is a terminaln" );
else
printf( "stdin is a file or a pipen");
struct stat stats;
fstat(0, &stats);
if (S_ISCHR(stats.st_mode)) {
// Looks like a tty, so we're in interactive mode.
} else if (S_ISFIFO(stats.st_mode)) {
// Looks like a pipe, so we're in non-interactive mode.
}
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <iostream>
using namespace std;
int main() {
char tty[L_ctermid+1] = {0};
ctermid(tty);
cout << "ID: " << tty << 'n';
int fd = ::open(tty, O_RDONLY);
if (fd < 0) perror("Could not open terminal");
else {
cout << "Opened terminaln";
struct termios term;
int r = tcgetattr(fd, &term);
if (r < 0) perror("Could not get attributes");
else cout << "Got attributesn";
}
if (isatty(fileno(stdin))) cout << "Is a terminaln";
else cout << "Is not a terminaln";
struct stat stats;
int r = fstat(fileno(stdin), &stats);
if (r < 0) perror("fstat failed");
else {
if (S_ISCHR(stats.st_mode)) cout << "S_ISCHRn";
else if (S_ISFIFO(stats.st_mode)) cout << "S_ISFIFOn";
else if (S_ISREG(stats.st_mode)) cout << "S_ISREGn";
else cout << "unknown stat moden";
}
return 0;
}
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <iostream>
using namespace std;
int main() {
char tty[L_ctermid+1] = {0};
ctermid(tty);
cout << "ID: " << tty << 'n';
int fd = ::open(tty, O_RDONLY);
if (fd < 0) perror("Could not open terminal");
else {
cout << "Opened terminaln";
struct termios term;
int r = tcgetattr(fd, &term);
if (r < 0) perror("Could not get attributes");
else cout << "Got attributesn";
}
if (isatty(fileno(stdin))) cout << "Is a terminaln";
else cout << "Is not a terminaln";
struct stat stats;
int r = fstat(fileno(stdin), &stats);
if (r < 0) perror("fstat failed");
else {
if (S_ISCHR(stats.st_mode)) cout << "S_ISCHRn";
else if (S_ISFIFO(stats.st_mode)) cout << "S_ISFIFOn";
else if (S_ISREG(stats.st_mode)) cout << "S_ISREGn";
else cout << "unknown stat moden";
}
return 0;
}
/* Parse input from a file and execute it */
int
PyRun_AnyFileExFlags(FILE *fp, const char *filename, int closeit,
PyCompilerFlags *flags)
{
if (filename == NULL)
filename = "???";
if (Py_FdIsInteractive(fp, filename)) {
int err = PyRun_InteractiveLoopFlags(fp, filename, flags);
/*
* The file descriptor fd is considered ``interactive'' if either
* a) isatty(fd) is TRUE, or
* b) the -i flag was given, and the filename associated with
* the descriptor is NULL or "<stdin>" or "???".
*/
int
Py_FdIsInteractive(FILE *fp, const char *filename)
{
if (isatty((int)fileno(fp)))
return 1;