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New posts in c89
Size of anonymous struct standard conformant?
Nov 01, 2025
c
c99
c89
ansi-c
Why register array names can be assigned to pointer variables without compiler error?
Oct 30, 2025
c
clang
c89
storage-class-specifier
register-keyword
Is converting from unsigned char to signed char and vice versa in C89 well defined?
Oct 22, 2025
c
undefined-behavior
c89
The Linux Kernel container_of macro and generic containers in C90
Oct 20, 2025
c
data-structures
linux-kernel
typeof
c89
use pointer to single value as Array
Oct 18, 2025
c
arrays
pointers
c99
c89
Is implicit function declaration legal in C89?
Sep 10, 2025
c
language-lawyer
c89
C90: How do I globally initialize this struct in C without C99 extensions
Feb 26, 2023
c
struct
global
declare
c89
C How extract predefined huge switch from huge loop without loss performance?
Feb 12, 2023
c
x86
arm
c89
Factory pattern implementation using ANSI C
Jan 24, 2023
c
design-patterns
factory
c89
warning: ISO C90 forbids mixing declarations and code [-Wdeclaration-after-statement] [duplicate]
Jan 07, 2023
c
c89
Implementing a FIFO queue in C
Dec 29, 2022
c
struct
fifo
c89
Was `long` guaranteed to be as wide as `size_t`
Dec 27, 2022
c
language-lawyer
c89
Is it legal to cast a function returning an object pointer to a function returning a void pointer?
Dec 25, 2022
c
casting
language-lawyer
function-pointers
c89
How can I figure out what is the default standard used by my C compiler GCC ? [duplicate]
Dec 16, 2022
c
gcc
c99
c11
c89
Why do you get different values for integer division in C89?
Dec 13, 2022
c
c89
the size of dynamically allocated array in C [duplicate]
Dec 12, 2022
c
arrays
sizeof
ansi
c89
Is negating INT_MIN undefined behaviour?
Dec 04, 2022
c
c99
undefined-behavior
c89
Object oriented programming in C [duplicate]
Dec 04, 2022
c
oop
c89
Would it be safe to do swap by "b=(a+b)-(a=b);"?
Dec 03, 2022
c
c99
c89
Cast a long to a function pointer?
Dec 03, 2022
c
function-pointers
c89
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