Returns the number of simultaneously open files permitted at the stream I/O level.

int _getmaxstdio( void );

Returns a number that represents the number of simultaneously open files currently permitted at the stdio level.

Use _setmaxstdio to configure the number of simultaneously open files permitted at the stdio level.

For more compatibility information, see Compatibility.

// crt_setmaxstdio.c
// The program retrieves the maximum number
// of open files and prints the results
// to the console.

#include <stdio.h>

int main()
{
   printf( "%d\n", _getmaxstdio());

   _setmaxstdio(2048);

   printf( "%d\n", _getmaxstdio());
}

512
2048

Stream I/O