tmp/tmp2nr4bq4x/{from.md → to.md}
RENAMED
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## C library files <a id="c.files">[[c.files]]</a>
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### Header `<cstdio>` synopsis <a id="cstdio.syn">[[cstdio.syn]]</a>
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``` cpp
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namespace std {
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using size_t = see [support.types.layout];
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using FILE = see below;
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using fpos_t = see below;
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}
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#define _IONBF see below
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#define BUFSIZ see below
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#define EOF see below
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#define FOPEN_MAX see below
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#define FILENAME_MAX see below
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#define L_tmpnam see below
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#define SEEK_CUR see below
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#define SEEK_END see below
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#define SEEK_SET see below
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#define TMP_MAX see below
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```
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The contents and meaning of the header `<cstdio>` are the same as the C
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standard library header `<stdio.h>`.
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Calls to the function `tmpnam` with an argument that is a null pointer
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value may introduce a data race [[res.on.data.races]] with other calls
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to `tmpnam` with an argument that is a null pointer value.
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-
See also: ISO C 7.
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### Header `<cinttypes>` synopsis <a id="cinttypes.syn">[[cinttypes.syn]]</a>
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``` cpp
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#include <cstdint> // see [cstdint.syn]
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constexpr intmax_t abs(intmax_t); // optional, see below
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constexpr imaxdiv_t div(intmax_t, intmax_t); // optional, see below
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}
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#define PRIdN see below
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#define PRIiN see below
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#define PRIoN see below
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#define PRIuN see below
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#define PRIxN see below
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#define PRIXN see below
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#define SCNdN see below
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#define SCNiN see below
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#define SCNoN see below
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#define SCNuN see below
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#define SCNxN see below
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#define PRIdLEASTN see below
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#define PRIiLEASTN see below
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#define PRIoLEASTN see below
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#define PRIuLEASTN see below
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#define PRIxLEASTN see below
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#define PRIXLEASTN see below
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#define SCNdLEASTN see below
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#define SCNiLEASTN see below
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#define SCNoLEASTN see below
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#define SCNuLEASTN see below
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#define SCNxLEASTN see below
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#define PRIdFASTN see below
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#define PRIiFASTN see below
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#define PRIoFASTN see below
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#define PRIuFASTN see below
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#define PRIxFASTN see below
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#define PRIXFASTN see below
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#define SCNdFASTN see below
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#define SCNiFASTN see below
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#define SCNoFASTN see below
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#define SCNuFASTN see below
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#define SCNxFASTN see below
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#define PRIdMAX see below
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#define PRIiMAX see below
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#define PRIoMAX see below
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#define PRIuMAX see below
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#define PRIxMAX see below
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#define PRIXMAX see below
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#define SCNdMAX see below
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#define SCNiMAX see below
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#define SCNoMAX see below
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#define SCNuMAX see below
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#define SCNxMAX see below
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#define PRIdPTR see below
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#define PRIiPTR see below
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#define PRIoPTR see below
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#define PRIuPTR see below
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#define PRIxPTR see below
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#define PRIXPTR see below
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#define SCNdPTR see below
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#define SCNiPTR see below
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#define SCNoPTR see below
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#define SCNuPTR see below
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#define SCNxPTR see below
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```
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The contents and meaning of the header `<cinttypes>` are the same as the
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C standard library header `<inttypes.h>`, with the following changes:
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- The header `<cinttypes>` includes the header `<cstdint>` instead of
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`<stdint.h>`, and
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-
- `intmax_t` and `uintmax_t` are not required to be able to represent
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all values of extended integer types wider than `long long` and
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`unsigned long long`, respectively, and
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- if and only if the type `intmax_t` designates an extended integer type
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[[basic.fundamental]], the following function signatures are added:
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``` cpp
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constexpr intmax_t abs(intmax_t);
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constexpr imaxdiv_t div(intmax_t, intmax_t);
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Each of the `PRI` macros listed in this subclause is defined if and only
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if the implementation defines the corresponding *typedef-name* in
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[[cstdint.syn]]. Each of the `SCN` macros listed in this subclause is
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defined if and only if the implementation defines the corresponding
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*typedef-name* in [[cstdint.syn]] and has a suitable `fscanf` length
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-
modifier for the type.
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<!-- Link reference definitions -->
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[adjustfield.manip]: #adjustfield.manip
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[allocator.requirements.general]: library.md#allocator.requirements.general
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[basefield.manip]: #basefield.manip
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@@ -203,22 +226,24 @@ modifier for the type.
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[c.files]: #c.files
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[char.traits]: strings.md#char.traits
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[char.traits.specializations]: strings.md#char.traits.specializations
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[character.seq]: library.md#character.seq
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[cinttypes.syn]: #cinttypes.syn
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-
[container.
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[cpp17.copyassignable]: #cpp17.copyassignable
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[cpp17.copyconstructible]: #cpp17.copyconstructible
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[cpp17.defaultconstructible]: #cpp17.defaultconstructible
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[cpp17.destructible]: #cpp17.destructible
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[cpp17.equalitycomparable]: #cpp17.equalitycomparable
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[cstdint.syn]: support.md#cstdint.syn
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[cstdio.syn]: #cstdio.syn
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[defns.ntcts]: intro.md#defns.ntcts
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[enumerated.types]: library.md#enumerated.types
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[error.reporting]: #error.reporting
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[ext.manip]: #ext.manip
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[file.streams]: #file.streams
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[filebuf]: #filebuf
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[filebuf.assign]: #filebuf.assign
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[filebuf.cons]: #filebuf.cons
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[filebuf.general]: #filebuf.general
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[filebuf.virtuals]: #filebuf.virtuals
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[filesystems]: #filesystems
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[floatfield.manip]: #floatfield.manip
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[fmtflags.manip]: #fmtflags.manip
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[fmtflags.state]: #fmtflags.state
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-
[format.err.report]:
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[fpos]: #fpos
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[fpos.members]: #fpos.members
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[fpos.operations]: #fpos.operations
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[fs.class.directory.entry]: #fs.class.directory.entry
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[fs.class.directory.entry.general]: #fs.class.directory.entry.general
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[fs.class.directory.iterator]: #fs.class.directory.iterator
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[fs.path.concat]: #fs.path.concat
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[fs.path.construct]: #fs.path.construct
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[fs.path.cvt]: #fs.path.cvt
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[fs.path.decompose]: #fs.path.decompose
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[fs.path.fmt.cvt]: #fs.path.fmt.cvt
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[fs.path.gen]: #fs.path.gen
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[fs.path.generic]: #fs.path.generic
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[fs.path.generic.obs]: #fs.path.generic.obs
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[fs.path.hash]: #fs.path.hash
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[fs.path.io]: #fs.path.io
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[input.iterators]: iterators.md#input.iterators
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[input.output]: #input.output
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[input.output.general]: #input.output.general
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[input.streams]: #input.streams
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[input.streams.general]: #input.streams.general
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[intro.multithread]: basic.md#intro.multithread
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[intro.races]: basic.md#intro.races
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[iomanip.syn]: #iomanip.syn
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[ios]: #ios
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[ios.base]: #ios.base
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[istringstream.cons]: #istringstream.cons
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[istringstream.general]: #istringstream.general
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[istringstream.members]: #istringstream.members
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[istringstream.swap]: #istringstream.swap
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[lex.charset]: lex.md#lex.charset
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-
[locale.codecvt.virtuals]:
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-
[locale.num.get]:
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[namespace.std]: library.md#namespace.std
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[narrow.stream.objects]: #narrow.stream.objects
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[numeric.limits]: support.md#numeric.limits
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[ofstream]: #ofstream
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[ofstream.cons]: #ofstream.cons
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[views.span]: containers.md#views.span
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[wide.stream.objects]: #wide.stream.objects
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[^1]: Typically `long long`.
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-
[^2]: Most places where `streamsize` is used would use `size_t` in
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-
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[^3]: It is the implementation’s responsibility to implement headers so
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that including `<iosfwd>` and other headers does not violate the
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rules about multiple occurrences of default arguments.
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mixed arbitrarily with operations on the corresponding stdio stream.
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In practical terms, synchronization usually means that a standard
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iostream object and a standard stdio object share a buffer.
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[^6]: An implementation is free to implement both the integer array
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-
pointed at by
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as sparse data structures, possibly with a one-element cache for
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each.
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[^7]: For example, because it cannot allocate space.
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ways to implement `xsgetn()` and `xsputn()` by overriding these
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definitions from the base class.
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[^16]: That is, for each class derived from a specialization of
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`basic_streambuf` in this Clause [[stringbuf]], [[filebuf]],
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-
a specification of how consuming a character
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output sequence is given. There is no requirement on a
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program-defined class.
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[^17]: Typically, `overflow` returns `c` to indicate success, except
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when `traits::eq_int_type(c, traits::eof())` returns `true`, in
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## C library files <a id="c.files">[[c.files]]</a>
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### Header `<cstdio>` synopsis <a id="cstdio.syn">[[cstdio.syn]]</a>
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``` cpp
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+
#define __STDC_VERSION_STDIO_H__ 202311L
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+
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namespace std {
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using size_t = see [support.types.layout];
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using FILE = see below;
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using fpos_t = see below;
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}
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#define _IONBF see below
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#define BUFSIZ see below
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#define EOF see below
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#define FOPEN_MAX see below
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#define FILENAME_MAX see below
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+
#define _PRINTF_NAN_LEN_MAX see below
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#define L_tmpnam see below
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#define SEEK_CUR see below
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#define SEEK_END see below
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#define SEEK_SET see below
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#define TMP_MAX see below
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```
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The contents and meaning of the header `<cstdio>` are the same as the C
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standard library header `<stdio.h>`.
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+
The return from each function call that delivers data to the host
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environment to be written to a file (See also: ISO C 7.23.3) is an
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observable checkpoint [[intro.abstract]].
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+
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Calls to the function `tmpnam` with an argument that is a null pointer
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value may introduce a data race [[res.on.data.races]] with other calls
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to `tmpnam` with an argument that is a null pointer value.
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+
See also: ISO C 7.23
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### Header `<cinttypes>` synopsis <a id="cinttypes.syn">[[cinttypes.syn]]</a>
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``` cpp
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#include <cstdint> // see [cstdint.syn]
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constexpr intmax_t abs(intmax_t); // optional, see below
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constexpr imaxdiv_t div(intmax_t, intmax_t); // optional, see below
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}
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+
#define __STDC_VERSION_INTTYPES_H__ 202311L
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+
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#define PRIdN see below
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#define PRIiN see below
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#define PRIoN see below
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#define PRIuN see below
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#define PRIxN see below
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#define PRIXN see below
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+
#define PRIbN see below
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+
#define PRIBN see below
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#define SCNdN see below
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#define SCNiN see below
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#define SCNoN see below
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#define SCNuN see below
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#define SCNxN see below
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+
#define SCNbN see below
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#define PRIdLEASTN see below
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#define PRIiLEASTN see below
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#define PRIoLEASTN see below
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#define PRIuLEASTN see below
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| 133 |
#define PRIxLEASTN see below
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| 134 |
#define PRIXLEASTN see below
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| 135 |
+
#define PRIbLEASTN see below
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| 136 |
+
#define PRIBLEASTN see below
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#define SCNdLEASTN see below
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#define SCNiLEASTN see below
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#define SCNoLEASTN see below
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#define SCNuLEASTN see below
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#define SCNxLEASTN see below
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+
#define SCNbLEASTN see below
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#define PRIdFASTN see below
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#define PRIiFASTN see below
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| 145 |
#define PRIoFASTN see below
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#define PRIuFASTN see below
|
| 147 |
#define PRIxFASTN see below
|
| 148 |
#define PRIXFASTN see below
|
| 149 |
+
#define PRIbFASTN see below
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+
#define PRIBFASTN see below
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#define SCNdFASTN see below
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#define SCNiFASTN see below
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| 153 |
#define SCNoFASTN see below
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| 154 |
#define SCNuFASTN see below
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| 155 |
#define SCNxFASTN see below
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+
#define SCNbFASTN see below
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#define PRIdMAX see below
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#define PRIiMAX see below
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| 159 |
#define PRIoMAX see below
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#define PRIuMAX see below
|
| 161 |
#define PRIxMAX see below
|
| 162 |
#define PRIXMAX see below
|
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+
#define PRIbMAX see below
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+
#define PRIBMAX see below
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| 165 |
#define SCNdMAX see below
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| 166 |
#define SCNiMAX see below
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| 167 |
#define SCNoMAX see below
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| 168 |
#define SCNuMAX see below
|
| 169 |
#define SCNxMAX see below
|
| 170 |
+
#define SCNbMAX see below
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| 171 |
#define PRIdPTR see below
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| 172 |
#define PRIiPTR see below
|
| 173 |
#define PRIoPTR see below
|
| 174 |
#define PRIuPTR see below
|
| 175 |
#define PRIxPTR see below
|
| 176 |
#define PRIXPTR see below
|
| 177 |
+
#define PRIbPTR see below
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| 178 |
+
#define PRIBPTR see below
|
| 179 |
#define SCNdPTR see below
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| 180 |
#define SCNiPTR see below
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| 181 |
#define SCNoPTR see below
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| 182 |
#define SCNuPTR see below
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| 183 |
#define SCNxPTR see below
|
| 184 |
+
#define SCNbPTR see below
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| 185 |
```
|
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|
| 187 |
The contents and meaning of the header `<cinttypes>` are the same as the
|
| 188 |
C standard library header `<inttypes.h>`, with the following changes:
|
| 189 |
|
| 190 |
- The header `<cinttypes>` includes the header `<cstdint>` instead of
|
| 191 |
`<stdint.h>`, and
|
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|
|
| 192 |
- if and only if the type `intmax_t` designates an extended integer type
|
| 193 |
[[basic.fundamental]], the following function signatures are added:
|
| 194 |
``` cpp
|
| 195 |
constexpr intmax_t abs(intmax_t);
|
| 196 |
constexpr imaxdiv_t div(intmax_t, intmax_t);
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|
| 205 |
Each of the `PRI` macros listed in this subclause is defined if and only
|
| 206 |
if the implementation defines the corresponding *typedef-name* in
|
| 207 |
[[cstdint.syn]]. Each of the `SCN` macros listed in this subclause is
|
| 208 |
defined if and only if the implementation defines the corresponding
|
| 209 |
*typedef-name* in [[cstdint.syn]] and has a suitable `fscanf` length
|
| 210 |
+
modifier for the type. Each of the `PRIB` macros listed in this
|
| 211 |
+
subclause is defined if and only if `fprintf` supports the `B`
|
| 212 |
+
conversion specifier.
|
| 213 |
|
| 214 |
<!-- Link reference definitions -->
|
| 215 |
[adjustfield.manip]: #adjustfield.manip
|
| 216 |
[allocator.requirements.general]: library.md#allocator.requirements.general
|
| 217 |
[basefield.manip]: #basefield.manip
|
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|
|
| 226 |
[c.files]: #c.files
|
| 227 |
[char.traits]: strings.md#char.traits
|
| 228 |
[char.traits.specializations]: strings.md#char.traits.specializations
|
| 229 |
[character.seq]: library.md#character.seq
|
| 230 |
[cinttypes.syn]: #cinttypes.syn
|
| 231 |
+
[container.reqmts]: containers.md#container.reqmts
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| 232 |
[cpp17.copyassignable]: #cpp17.copyassignable
|
| 233 |
[cpp17.copyconstructible]: #cpp17.copyconstructible
|
| 234 |
[cpp17.defaultconstructible]: #cpp17.defaultconstructible
|
| 235 |
[cpp17.destructible]: #cpp17.destructible
|
| 236 |
[cpp17.equalitycomparable]: #cpp17.equalitycomparable
|
| 237 |
[cstdint.syn]: support.md#cstdint.syn
|
| 238 |
[cstdio.syn]: #cstdio.syn
|
| 239 |
+
[defns.character.container]: intro.md#defns.character.container
|
| 240 |
[defns.ntcts]: intro.md#defns.ntcts
|
| 241 |
[enumerated.types]: library.md#enumerated.types
|
| 242 |
[error.reporting]: #error.reporting
|
| 243 |
[ext.manip]: #ext.manip
|
| 244 |
+
[file.native]: #file.native
|
| 245 |
[file.streams]: #file.streams
|
| 246 |
[filebuf]: #filebuf
|
| 247 |
[filebuf.assign]: #filebuf.assign
|
| 248 |
[filebuf.cons]: #filebuf.cons
|
| 249 |
[filebuf.general]: #filebuf.general
|
|
|
|
| 253 |
[filebuf.virtuals]: #filebuf.virtuals
|
| 254 |
[filesystems]: #filesystems
|
| 255 |
[floatfield.manip]: #floatfield.manip
|
| 256 |
[fmtflags.manip]: #fmtflags.manip
|
| 257 |
[fmtflags.state]: #fmtflags.state
|
| 258 |
+
[format.err.report]: text.md#format.err.report
|
| 259 |
+
[format.functions]: text.md#format.functions
|
| 260 |
+
[format.string]: text.md#format.string
|
| 261 |
+
[format.string.escaped]: text.md#format.string.escaped
|
| 262 |
[fpos]: #fpos
|
| 263 |
+
[fpos.general]: #fpos.general
|
| 264 |
[fpos.members]: #fpos.members
|
| 265 |
[fpos.operations]: #fpos.operations
|
| 266 |
[fs.class.directory.entry]: #fs.class.directory.entry
|
| 267 |
[fs.class.directory.entry.general]: #fs.class.directory.entry.general
|
| 268 |
[fs.class.directory.iterator]: #fs.class.directory.iterator
|
|
|
|
| 346 |
[fs.path.concat]: #fs.path.concat
|
| 347 |
[fs.path.construct]: #fs.path.construct
|
| 348 |
[fs.path.cvt]: #fs.path.cvt
|
| 349 |
[fs.path.decompose]: #fs.path.decompose
|
| 350 |
[fs.path.fmt.cvt]: #fs.path.fmt.cvt
|
| 351 |
+
[fs.path.fmtr]: #fs.path.fmtr
|
| 352 |
+
[fs.path.fmtr.funcs]: #fs.path.fmtr.funcs
|
| 353 |
+
[fs.path.fmtr.general]: #fs.path.fmtr.general
|
| 354 |
[fs.path.gen]: #fs.path.gen
|
| 355 |
[fs.path.generic]: #fs.path.generic
|
| 356 |
[fs.path.generic.obs]: #fs.path.generic.obs
|
| 357 |
[fs.path.hash]: #fs.path.hash
|
| 358 |
[fs.path.io]: #fs.path.io
|
|
|
|
| 382 |
[input.iterators]: iterators.md#input.iterators
|
| 383 |
[input.output]: #input.output
|
| 384 |
[input.output.general]: #input.output.general
|
| 385 |
[input.streams]: #input.streams
|
| 386 |
[input.streams.general]: #input.streams.general
|
| 387 |
+
[intro.abstract]: intro.md#intro.abstract
|
| 388 |
[intro.multithread]: basic.md#intro.multithread
|
| 389 |
[intro.races]: basic.md#intro.races
|
| 390 |
[iomanip.syn]: #iomanip.syn
|
| 391 |
[ios]: #ios
|
| 392 |
[ios.base]: #ios.base
|
|
|
|
| 447 |
[istringstream.cons]: #istringstream.cons
|
| 448 |
[istringstream.general]: #istringstream.general
|
| 449 |
[istringstream.members]: #istringstream.members
|
| 450 |
[istringstream.swap]: #istringstream.swap
|
| 451 |
[lex.charset]: lex.md#lex.charset
|
| 452 |
+
[locale.codecvt.virtuals]: text.md#locale.codecvt.virtuals
|
| 453 |
+
[locale.num.get]: text.md#locale.num.get
|
| 454 |
[namespace.std]: library.md#namespace.std
|
| 455 |
[narrow.stream.objects]: #narrow.stream.objects
|
| 456 |
[numeric.limits]: support.md#numeric.limits
|
| 457 |
[ofstream]: #ofstream
|
| 458 |
[ofstream.cons]: #ofstream.cons
|
|
|
|
| 567 |
[views.span]: containers.md#views.span
|
| 568 |
[wide.stream.objects]: #wide.stream.objects
|
| 569 |
|
| 570 |
[^1]: Typically `long long`.
|
| 571 |
|
| 572 |
+
[^2]: Most places where `streamsize` is used would use `size_t` in C, or
|
| 573 |
+
`ssize_t` in POSIX.
|
| 574 |
|
| 575 |
[^3]: It is the implementation’s responsibility to implement headers so
|
| 576 |
that including `<iosfwd>` and other headers does not violate the
|
| 577 |
rules about multiple occurrences of default arguments.
|
| 578 |
|
|
|
|
| 584 |
mixed arbitrarily with operations on the corresponding stdio stream.
|
| 585 |
In practical terms, synchronization usually means that a standard
|
| 586 |
iostream object and a standard stdio object share a buffer.
|
| 587 |
|
| 588 |
[^6]: An implementation is free to implement both the integer array
|
| 589 |
+
pointed at by *iarray* and the pointer array pointed at by *parray*
|
| 590 |
as sparse data structures, possibly with a one-element cache for
|
| 591 |
each.
|
| 592 |
|
| 593 |
[^7]: For example, because it cannot allocate space.
|
| 594 |
|
|
|
|
| 621 |
ways to implement `xsgetn()` and `xsputn()` by overriding these
|
| 622 |
definitions from the base class.
|
| 623 |
|
| 624 |
[^16]: That is, for each class derived from a specialization of
|
| 625 |
`basic_streambuf` in this Clause [[stringbuf]], [[filebuf]],
|
| 626 |
+
a specification of how consuming a character affects the associated
|
| 627 |
output sequence is given. There is no requirement on a
|
| 628 |
program-defined class.
|
| 629 |
|
| 630 |
[^17]: Typically, `overflow` returns `c` to indicate success, except
|
| 631 |
when `traits::eq_int_type(c, traits::eof())` returns `true`, in
|