iOS: NSString的方法getFileSystemRepresentation:maxLength:

- (BOOL)getFileSystemRepresentation:(char *)buffer maxLength:(NSUInteger)maxLength

char filenameBuffer[13];

BOOL success;

success = [@"/mach_kernel" getFileSystemRepresentation:filenameBuffer maxLength:12];

// success == NO

// Changing the length to include the NULL character does work

success = [@"/mach_kernel" getFileSystemRepresentation:filenameBuffer maxLength:13];

// success == YES