打开一个流

[c]代码库

#include <stdlib.h>
#include <stdio.h>
#include <dir.h>

int main ( void )
{
	char *s;
	char drive[MAXDRIVE];
	char dir[MAXDIR];
	char file[MAXFILE];
	char ext[MAXEXT];
	int flags;

	s=getenv ( "COMSPEC" ); /* get the comspec environment parameter */
	flags=fnsplit ( s,drive,dir,file,ext );

	printf ( "Command processor info:\n" );
	if ( flags & DRIVE )
		printf ( "\tdrive: %s\n",drive );
	if ( flags & DIRECTORY )
		printf ( "\tdirectory: %s\n",dir );
	if ( flags & FILENAME )
		printf ( "\tfile: %s\n",file );
	if ( flags & EXTENSION )
		printf ( "\textension: %s\n",ext );

	return 0;
}