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Minor changes from Ineiev. 

* c.texi: Fix typos.
(Lvalues): Change "non-function type" to "function typr".
(Incomplete Types): List all the limits on uses of pointers
to incomplete types.
This commit is contained in:
Richard Stallman 2025-05-02 12:53:32 -04:00
parent 5d1b5d753d
commit 481b75bc5a
2 changed files with 18 additions and 9 deletions
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9
ChangeLog
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@ -1,3 +1,10 @@
2025-05-02 Richard Stallman <rms@gnu.org>
* c.texi: Fix typos.
(Lvalues): Change "non-function type" to "function typr".
(Incomplete Types): List all the limits on uses of pointers
to incomplete types.
2024-02-01 Richard Stallman <rms@gnu.org>
* c.texi: Specify @codequoteundirected on and @codequotebacktick on.
@ -34,8 +41,6 @@
For size_t, don't say what kind of definition it has.
(Pointer Types): Write "pointer to an array of".
GNU C Intro and Reference - ChangeLog
2024-01-07 Richard Stallman <rms@gnu.org>
* c.texi Many simple clarifiations and fixes.

18
c.texi
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@ -1,5 +1,6 @@
\input texinfo
@c Copyright (C) 2022, 2023 Richard Stallman and Free Software Foundation, Inc.
@c (The work of Trevis Rothwell and Nelson Beebe has been assigned to the FSF.)
@ -346,7 +347,7 @@ Pointers
Structures
* Referencing Fields:: Accessing field values in a structure object.
* Arrays as Fields:: Accessing field values in a structure object.
* Arrays as Fields:: Accessing arrays as structure fields.
* Dynamic Memory Allocation:: Allocating space for objects
while the program is running.
* Field Offset:: Memory layout of fields within a structure.
@ -2577,7 +2578,8 @@ is not a valid lvalue.
@strong{Warning:} Write parentheses around an assignment if you nest
it inside another expression, unless that containing expression is a
comma-separated series or another assignment.
comma-separated series or another assignment. For example,
see @ref{Logicals and Assignments}, and @ref{Uses of Comma}.
@menu
* Simple Assignment:: The basics of storing a value.
@ -2648,7 +2650,7 @@ A variable.
@item
A pointer-dereference expression (@pxref{Pointer Dereference}) using
unary @samp{*}, if its type is not a non-function type.
unary @samp{*}, if its type is not a function type.
@item
A structure field reference (@pxref{Structures}) using @samp{.}, if
@ -4755,7 +4757,7 @@ You can specify Unicode characters using escape sequences called
@dfn{universal character names} that start with @samp{\u} and
@samp{\U}. They are valid in C for individual character constants,
inside string constants (@pxref{String Constants}), and even in
identifiers. These escape sequence includes a hexadecimal Unicode
identifiers. These escape sequences include a hexadecimal Unicode
character code, also called a @dfn{code point} in Unicode terminology.
Use the @samp{\u} escape sequence with a 16-bit hexadecimal Unicode
@ -5956,7 +5958,7 @@ GNU C does not require this.
@menu
* Referencing Fields:: Accessing field values in a structure object.
* Arrays as Fields:: Accessing field values in a structure object.
* Arrays as Fields:: Accessing arrays as structure fields.
* Dynamic Memory Allocation:: Allocating space for objects
while the program is running.
* Field Offset:: Memory layout of fields within a structure.
@ -6949,7 +6951,9 @@ incomplete type.
However, you can define a pointer to an incomplete type, and declare a
variable or field with such a pointer type. In general, you can do
everything with such pointers except dereference them. For example:
everything with such pointers except dereference them, increment or
decrement them, or do pointer arithmetic with them (not even @code{p +
0}). For example:
@example
extern void bar (struct mysterious_value *);
@ -10753,7 +10757,7 @@ defaults the return type to @code{int}.
This is bad practice; if you see it, fix it.
Calling a function that is undeclared has the effect of an creating
@dfn{implicit} declaration in the innermost containing scope,
an @dfn{implicit} declaration in the innermost containing scope,
equivalent to this:
@example