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  2. C23 (C standard revision) - Wikipedia

    en.wikipedia.org/wiki/C23_(C_standard_revision)

    Add timegm() function in <time.h> to convert time structure into calendar time value - similar to function in glibc and musl libraries. [ 12 ] New < math.h > functions based on IEEE 754-2019 recommendations, such as trigonometry functions operating on units of π x {\displaystyle \pi x} and exp10 .

  3. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    This was done primarily for the sake of embedded Linux systems. [21] GNU C Library since version 2.34 (released August 2021), added support for using 64-bit time_t on 32-bit platforms with appropriate Linux versions. This support can be activated by defining preprocessor macro _TIME_BITS to 64 when compiling source code. [22]

  4. C date and time functions - Wikipedia

    en.wikipedia.org/wiki/C_date_and_time_functions

    The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations. [1] They provide support for time acquisition, conversion between date formats, and formatted output to strings.

  5. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software.

  6. glibc - Wikipedia

    en.wikipedia.org/wiki/Glibc

    Unicode 12.1.0, the dynamic linker accepts the --preload argument to preload shared objects, the gettid function has been added on Linux, Minguo (Republic of China) calendar support, new Japanese era added to ja_JP locale, memory allocation functions fail with total object size larger than PTRDIFF_MAX; CVE-2019-7309 and CVE-2019-9169 fixed [8] 2.31

  7. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Version 3 AT&T UNIX unlink: Filesystem Optional (XSI) Call the unlink function Version 1 AT&T UNIX uucp: Network Optional (UU) System-to-system copy Version 7 AT&T UNIX uudecode: Network Mandatory Decode a binary file 4BSD uuencode: Network Mandatory Encode a binary file 4BSD uustat: Network Optional (UU) uucp status inquiry and job control ...

  8. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...

  9. GNU Guile - Wikipedia

    en.wikipedia.org/wiki/GNU_Guile

    The core idea of Guile Scheme is that "the developer implements critical algorithms and data structures in C or C++ and exports the functions and types for use by interpreted code. The application becomes a library of primitives orchestrated by the interpreter, combining the efficiency of compiled code with the flexibility of interpretation."