Base class for the entire hierarchy of stream classes in the standard input/output library, describing the most basic part of a stream which is common to all stream objects, independently of their character type.
It has no public constructors, and thus no objects of this class can be declared. Both ios_base and its derived class basic_ios define the components of streams that do not depend on whether the stream is an input or an output stream: ios_base describes the members that are independent of the template parameters (i.e. the character type and traits), while basic_ios describes the members that do depend on them.
More specifically, the ios_base class maintains the following information of a stream −
field member functions description Formatting format flagsflags
setf
unsetf
A set of internal flags that affect how certain input/output operations are interpreted or generated. See member type fmtflags. field width width Width of the next formatted element to insert. display precision precision Decimal precision for the next floating-point value inserted. localegetloc
imbue
The locale object used by the function for formatted input/output operations affected by localization properties. Other callback stack register_callback Stack of pointers to functions that are called when certain events occur. extensible arraysiword
pword
xalloc
Internal arrays to store objects of typelong and void*. Definition
Below is definition of ios_base as shown below −
class ios_base;Member types Sr.No. Member types Definition 1 event Type to indicate event type 2 event_callback Event callback function type 3 fmtflags Type for stream format flags 4 iostate Type for stream state flags 5 openmode Type for stream opening mode flags 6 seekdir Type for stream seeking direction flag Public Member Functions Sr.No. Member types Definition 1 (constructor) Construct object (public member function ) 2 (destructor) Destruct object (public member function ) Formatting Sr.No. Member types Definition 1 flags It is used to get/set format flags 2 setf It is used to set specific format flags 3 unsetf It is used to clear specific format flags 4 precision It is used to get/Set floating-point decimal precision 5 width It is used to get/set field width Locales Sr.No. Member types Definition 1 imbue Imbue locale 2 getloc Get current locale Internal extensible array Sr.No. Member types Definition 1 xalloc It is used to get new index for extensible array [static] 2 iword It is used to get integer element of extensible array 3 pword It is used to get pointer element of extensible array Others
ios.htm
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4