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The C standard library, sometimes referred to as libc, [1] is the standard library for the C programming language, as specified in the ISO C standard. [2] Starting from the original ANSI C standard, it was developed at the same time as the C POSIX library, which is a superset of it. [3]
atan2(y, x) returns the angle θ between the positive x-axis and the ray from the origin to the point (x, y), confined to (−π, π].Graph of (,) over /. In computing and mathematics, the function atan2 is the 2-argument arctangent.
Information about the actual properties, such as size, of the basic arithmetic types, is provided via macro constants in two headers: <limits.h> header (climits header in C++) defines macros for integer types and <float.h> header (cfloat header in C++) defines macros for floating-point types. The actual values depend on the implementation.
In the C and C++ programming languages, an inline function is one qualified with the keyword inline; this serves two purposes: . It serves as a compiler directive that suggests (but does not require) that the compiler substitute the body of the function inline by performing inline expansion, i.e. by inserting the function code at the address of each function call, thereby saving the overhead ...
Cover of the C99 standards document. C99 (previously C9X, formally ISO/IEC 9899:1999) is a past version of the C programming language open standard. [1] It extends the previous version with new features for the language and the standard library, and helps implementations make better use of available computer hardware, such as IEEE 754-1985 floating-point arithmetic, and compiler technology. [2]
Issue 6 <assert.h> Verify assumptions: Issue 1: ANSI (89) <complex.h> Complex Arithmetic, see C mathematical functions: Issue 6: C99 <cpio.h> Magic numbers for the cpio archive format: Issue 3 <ctype.h> Character types Issue 1 ANSI (89) <dirent.h> Allows the opening and listing of directories: Issue 2 <dlfcn.h> Dynamic linking: Issue 5 <errno.h ...
Used for inline samples of C++ programming-language markup. Categorizes articles into Category:Articles with example C++ code . The above documentation is transcluded from Template:C++ code inline/doc .