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New posts in c
Performance comparison: 64 bit and 32 bit multiplication [closed]
Oct 23, 2025
c
performance
cpu
cpu-registers
Converting unsigned to double to unsigned without loss of precision
Oct 22, 2025
c
floating-point
c99
ieee-754
floating-point-conversion
Stringizing macro arguments in a multi-level macro call
Oct 23, 2025
c
macros
c-preprocessor
variadic-macros
stringification
How do I stop sem_open() failing with ENOSYS?
Oct 22, 2025
c
linux
ipc
posix
semaphore
What fallocate() does?
Oct 22, 2025
c
linux
unix
filesystems
Way to compare strings in C preprocessor? (GCC) [duplicate]
Oct 22, 2025
c
gcc
c-preprocessor
Is the alignment requirement for incomplete `struct X` and `struct Y` the same?
Oct 22, 2025
c
pointers
alignment
language-lawyer
How do I prevent any other process from writing to a file while reading from it in C?
Oct 21, 2025
c
multithreading
Can a C pointer point to a value in an inner block and dereference the pointer after the block ends? [duplicate]
Oct 22, 2025
c
Efficiently returning multiple values in C
Oct 23, 2025
c
inlining
multiple-return-values
Infinity as sentinel in mergesort?
Oct 23, 2025
c
C write() function not working
Oct 22, 2025
c
Access frequency limitation for reading PMCCNTR_EL0?
Oct 22, 2025
c
arm
profiling
perf
Where should standard library include be writen ? .c or .h file?
Oct 22, 2025
c
header-files
How to return a string from a MACRO function in C?
Oct 22, 2025
c
string
macros
c-preprocessor
Is there a generic way to printf a variable?
Oct 22, 2025
c
macros
printf
Is converting from unsigned char to signed char and vice versa in C89 well defined?
Oct 22, 2025
c
undefined-behavior
c89
Best way to read stdin that may include newline?
Oct 22, 2025
c
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