This header was originally in the C standard library as <stdlib.h>.
This header provides miscellaneous utilities. Symbols defined here are used by several library components.
| indicates program execution execution status (macro constant) |
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| MB_CUR_MAX | maximum number of bytes in a multibyte character with the current locale (macro constant) |
| implementation-defined null pointer constant (macro constant) |
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maximum possible value generated by std::rand (macro constant) |
structure type, return of the std::div function (typedef) |
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structure type, return of the std::ldiv function (typedef) |
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| (C++11)
| structure type, return of the std::lldiv function (typedef) |
unsigned integer type returned by the sizeof operator (typedef) |
Process control |
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| causes abnormal program termination (without cleaning up) (function) |
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| causes normal program termination with cleaning up (function) |
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| (C++11)
| causes quick program termination without completely cleaning up (function) |
| (C++11)
| causes normal program termination without cleaning up (function) |
registers a function to be called on std::exit() invocation (function) |
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| (C++11)
| registers a function to be called on quick_exit invocation (function) |
| calls the host environment's command processor (function) |
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| access to the list of environment variables (function) |
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Memory management |
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| allocates memory (function) |
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| allocates and zeroes memory (function) |
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| expands previously allocated memory block (function) |
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| deallocates previously allocated memory (function) |
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Numeric string conversion |
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| converts a byte string to a floating point value (function) |
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| converts a byte string to an integer value (function) |
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| converts a byte string to an integer value (function) |
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| converts a byte string to an unsigned integer value (function) |
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| converts a byte string to a floating point value (function) |
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Wide string manipulation |
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| returns the number of bytes in the next multibyte character (function) |
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| converts the next multibyte character to wide character (function) |
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| converts a wide character to its multibyte representation (function) |
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| converts a narrow multibyte character string to wide string (function) |
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| converts a wide string to narrow multibyte character string (function) |
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Miscellaneous algorithms and math |
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| generates a pseudo-random number (function) |
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| seeds pseudo-random number generator (function) |
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| sorts a range of elements with unspecified type (function) |
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| searches an array for an element of unspecified type (function) |
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| (C++11)
| computes absolute value of an integral value (|x|) (function) |
| (C++11)
| computes quotient and remainder of integer division (function) |
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