setjmp.h is a header defined in the C standard library to provide "non-local jumps": control flow that deviates from the usual subroutine call and return...

ratified in 1995. Six more header files (complex.h, fenv.h, inttypes.h, stdbool.h, stdint.h, and tgmath.h) were added with C99, a revision to the C Standard...

errno.h is a header file in the standard library of the C programming language. It defines macros for reporting and retrieving error conditions using...

assert.h is a header file in the C standard library. It defines the C preprocessor macro assert and implements runtime assertion in C. assert.h is defined...

includes new real floating-point types float_t and double_t, defined in <math.h>. They correspond to the types used for the intermediate results of floating-point...

In the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. It is defined...

current time to the standard output stream. #include <time.h> #include <stdlib.h> #include <stdio.h> int main(void) { time_t current_time; char* c_time_string;...

stdarg.h is a header in the C standard library of the C programming language that allows functions to accept an indefinite number of arguments. It provides...

such as <regex> rather than <regex.h>, <thread> rather than <pthread.h>, or <semaphore> rather than <semaphore.h>. POSIX C standard library C++ standard...

keyboard). The C standard defines only 6 signals. They are all defined in signal.h header (csignal header in C++): SIGABRT – "abort", abnormal termination. SIGFPE...

function ends. The C dynamic memory allocation functions are defined in stdlib.h header (cstdlib header in C++). malloc() takes a single argument (the amount...

also incorporates most headers of the ISO C standard library ending with ".h", but their use was deprecated (reverted the deprecation since C++23). C++23...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

implemented as a group of macro constants in the C standard library in the iso646.h header. The tokens were created by Bjarne Stroustrup for the pre-standard...

environment operations. The process control functions are defined in the stdlib.h header (cstdlib header in C++). Crawford, Tony; Peter Prinz (December 2005)...

These functions make up the bulk of the C standard library header <stdio.h>. The functionality descends from a "portable I/O package" written by Mike...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

value) to work around these problems. #include <stdio.h> #include <stdlib.h> #include <locale.h> int main(void) { /* Locale is set to "C" before this...

classification functionality was codified in the C standard library file ctype.h. For performance, the standard character classification functions are usually...

declared in the string.h header (cstring in C++), while functions that operate on C wide strings are declared in the wchar.h header (cwchar in C++)....

moved into the std namespace, and the main header changed from <iostream.h> to <iostream>. It is this standardized version that is covered in the rest...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

handling in standard C is to use setjmp/longjmp functions: #include <setjmp.h> #include <stdio.h> #include <stdlib.h> enum { SOME_EXCEPTION = 1 } exception;...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: <assert.h> <errno.h> <setjmp.h> <stdarg.h> v t e...

<math.h> (<cmath> header in C++). The functions that operate on integers, such as abs, labs, div, and ldiv, are instead defined in the <stdlib.h> header...

different scopes are disallowed Pointer-returning functions must execute return setjmp and longjmp are not supported To maintain the tool set that C programmers...