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CPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations. STRING - C++ REFERENCE - CPLUSPLUS.COMFINDLENGTHSUBSTRGETLINECOMPAREAPPENDSEE MORE ON CPLUSPLUSGIVE MORE FEEDBACK Strings are objects that represent sequences of characters. The standard string class provides support for such objects with an interface similar to that of a standard container of bytes, but adding features specifically designed to operate with strings of single-byte characters. The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as itsBASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the charactersMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object. RAND - C++ REFERENCE - CPLUSPLUS.COM A typical way to generate trivial pseudo-random numbers in a determined range using rand is to use the modulo of the returned value by the range span and add the initial value of the range: 1. 2. 3. v1 = rand () % 100; // v1 in the range 0 to 99 v2 = rand () % 100 + 1; // v2 in the range 1 to 100 v3 = rand () % 30 + 1985; // v3 in the rangeGETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetyTYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions.ISTREAM::GCOUNT
Returns the number of characters extracted by the last unformatted input operation performed on the object. The unformatted input operations that modify the value returned by this function are: get, getline, ignore, peek, read, readsome, putback and unget. Notice though, that peek, putback and unget do not actually extract any characters, and thus gcount will always return zero after callingC++ ASSINGMENT
Cplusplus doesn't answer the assignment questions. First write your own code. Then we will help you if you stuck. But anyway drop me youremail.
MONTHLY BUDGET PROGRAM Monthly Budget Program. My goal is to write a monthly budget program where the user is prompted to enter in how much they spent in 10 categories, and the program will compare to what is allotted for as the budget constraints. #include #include #include using namespace std; struct Budget //declare a global typeCPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations. STRING - C++ REFERENCE - CPLUSPLUS.COMFINDLENGTHSUBSTRGETLINECOMPAREAPPENDSEE MORE ON CPLUSPLUSGIVE MORE FEEDBACK Strings are objects that represent sequences of characters. The standard string class provides support for such objects with an interface similar to that of a standard container of bytes, but adding features specifically designed to operate with strings of single-byte characters. The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as itsBASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the characters RAND - C++ REFERENCE - CPLUSPLUS.COM A typical way to generate trivial pseudo-random numbers in a determined range using rand is to use the modulo of the returned value by the range span and add the initial value of the range: 1. 2. 3. v1 = rand () % 100; // v1 in the range 0 to 99 v2 = rand () % 100 + 1; // v2 in the range 1 to 100 v3 = rand () % 30 + 1985; // v3 in the rangeMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object.GETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetyTYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions.ISTREAM::GCOUNT
Returns the number of characters extracted by the last unformatted input operation performed on the object. The unformatted input operations that modify the value returned by this function are: get, getline, ignore, peek, read, readsome, putback and unget. Notice though, that peek, putback and unget do not actually extract any characters, and thus gcount will always return zero after callingC++ ASSINGMENT
Cplusplus doesn't answer the assignment questions. First write your own code. Then we will help you if you stuck. But anyway drop me youremail.
MONTHLY BUDGET PROGRAM Monthly Budget Program. My goal is to write a monthly budget program where the user is prompted to enter in how much they spent in 10 categories, and the program will compare to what is allotted for as the budget constraints. #include #include #include using namespace std; struct Budget //declare a global typeCHARACTER SEQUENCES
Character sequences The string class has been briefly introduced in an earlier chapter. It is a very powerful class to handle and manipulate strings of characters. However, because strings are, in fact, sequences of characters, we can represent them also as plain arrays of elements of a character type. VECTOR - C++ REFERENCE - CPLUSPLUS.COM Vector. Vectors are sequence containers representing arrays that can change in size. Just like arrays, vectors use contiguous storage locations for their elements, which means that their elements can also be accessed using offsets on regular pointers to its elements, and just as efficiently as in arrays. But unlike arrays, their size canchange
CONTACT - CPLUSPLUS.COM IMPORTANT: Please do not use this form to send questions about programming. We do not offer that service, and that is not the purpose of this contact form. For those matters, we invite you to check out our forums. * = Mandatory field. TEMPLATES - C++ TUTORIALS - CPLUSPLUS.COM Function templates are special functions that can operate with generic types. This allows us to create a function template whose functionality can be adapted to more than one type or class without repeating the entire code for each type. In C++ this can be achieved using template parameters. A template parameter is a special kind ofparameter
TYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions. LOCK_GUARD - C++ REFERENCE - CPLUSPLUS.COM A lock guard is an object that manages a mutex object by keeping it always locked. On construction, the mutex object is locked by the calling thread, and on destruction, the mutex is unlocked.It is the simplest lock, and is specially useful as an object with automatic duration that lasts until the end of its context. In this way, it guarantees the mutex object is properly unlocked in case an STOI - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as an integral number of the specified base, which is returned as an int value. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtol (or wcstol) to perform the conversion (see strtol for more details on the process). PRINTF - C++ REFERENCE - CPLUSPLUS.COM Writes the C string pointed by format to the standard output ().If format includes format specifiers (subsequences beginning with %), the additional arguments following format are formatted and inserted in the resulting string replacing their respective specifiers. Parameters format C string that contains the text to be written to stdout. It can optionally contain embedded format specifiers LRINT - C++ REFERENCE - CPLUSPLUS.COM Rounds x to an integral value, using the rounding direction specified by fegetround, and returns it as a value of type long int. See llrint for an equivalent function that returns a long long int. C99. C++11. Header provides a type-generic macro version of this function. Additional overloads are provided in this header ( ) for ALGORITHMS - C++ ARTICLES Articles : Algorithms. Pages: 1 29 30 31. C++. Information; Tutorials; Reference; Articles; ForumCPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations. STRING - C++ REFERENCE - CPLUSPLUS.COMFINDLENGTHSUBSTRGETLINECOMPAREAPPENDSEE MORE ON CPLUSPLUSGIVE MORE FEEDBACK Strings are objects that represent sequences of characters. The standard string class provides support for such objects with an interface similar to that of a standard container of bytes, but adding features specifically designed to operate with strings of single-byte characters. The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as itsBASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the charactersMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object. RAND - C++ REFERENCE - CPLUSPLUS.COM A typical way to generate trivial pseudo-random numbers in a determined range using rand is to use the modulo of the returned value by the range span and add the initial value of the range: 1. 2. 3. v1 = rand () % 100; // v1 in the range 0 to 99 v2 = rand () % 100 + 1; // v2 in the range 1 to 100 v3 = rand () % 30 + 1985; // v3 in the rangeGETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetyTYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions.ISTREAM::GCOUNT
Returns the number of characters extracted by the last unformatted input operation performed on the object. The unformatted input operations that modify the value returned by this function are: get, getline, ignore, peek, read, readsome, putback and unget. Notice though, that peek, putback and unget do not actually extract any characters, and thus gcount will always return zero after callingC++ ASSINGMENT
Cplusplus doesn't answer the assignment questions. First write your own code. Then we will help you if you stuck. But anyway drop me youremail.
MONTHLY BUDGET PROGRAM Monthly Budget Program. My goal is to write a monthly budget program where the user is prompted to enter in how much they spent in 10 categories, and the program will compare to what is allotted for as the budget constraints. #include #include #include using namespace std; struct Budget //declare a global typeCPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations. STRING - C++ REFERENCE - CPLUSPLUS.COMFINDLENGTHSUBSTRGETLINECOMPAREAPPENDSEE MORE ON CPLUSPLUSGIVE MORE FEEDBACK Strings are objects that represent sequences of characters. The standard string class provides support for such objects with an interface similar to that of a standard container of bytes, but adding features specifically designed to operate with strings of single-byte characters. The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as itsBASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the charactersMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object. RAND - C++ REFERENCE - CPLUSPLUS.COM A typical way to generate trivial pseudo-random numbers in a determined range using rand is to use the modulo of the returned value by the range span and add the initial value of the range: 1. 2. 3. v1 = rand () % 100; // v1 in the range 0 to 99 v2 = rand () % 100 + 1; // v2 in the range 1 to 100 v3 = rand () % 30 + 1985; // v3 in the rangeGETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetyTYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions.ISTREAM::GCOUNT
Returns the number of characters extracted by the last unformatted input operation performed on the object. The unformatted input operations that modify the value returned by this function are: get, getline, ignore, peek, read, readsome, putback and unget. Notice though, that peek, putback and unget do not actually extract any characters, and thus gcount will always return zero after callingC++ ASSINGMENT
Cplusplus doesn't answer the assignment questions. First write your own code. Then we will help you if you stuck. But anyway drop me youremail.
MONTHLY BUDGET PROGRAM Monthly Budget Program. My goal is to write a monthly budget program where the user is prompted to enter in how much they spent in 10 categories, and the program will compare to what is allotted for as the budget constraints. #include #include #include using namespace std; struct Budget //declare a global typeCHARACTER SEQUENCES
Character sequences The string class has been briefly introduced in an earlier chapter. It is a very powerful class to handle and manipulate strings of characters. However, because strings are, in fact, sequences of characters, we can represent them also as plain arrays of elements of a character type. VECTOR - C++ REFERENCE - CPLUSPLUS.COM Vector. Vectors are sequence containers representing arrays that can change in size. Just like arrays, vectors use contiguous storage locations for their elements, which means that their elements can also be accessed using offsets on regular pointers to its elements, and just as efficiently as in arrays. But unlike arrays, their size canchange
CONTACT - CPLUSPLUS.COM IMPORTANT: Please do not use this form to send questions about programming. We do not offer that service, and that is not the purpose of this contact form. For those matters, we invite you to check out our forums. * = Mandatory field. TEMPLATES - C++ TUTORIALS - CPLUSPLUS.COM Function templates are special functions that can operate with generic types. This allows us to create a function template whose functionality can be adapted to more than one type or class without repeating the entire code for each type. In C++ this can be achieved using template parameters. A template parameter is a special kind ofparameter
TYPE CASTING
Here, the value of a has been promoted from short to int and we have not had to specify any type-casting operator. This is known as a standard conversion. Standard conversions affect fundamental data types, and allow conversions such as the conversions between numerical types (short to int, int to float, double to int), to or from bool, and some pointer conversions. LOCK_GUARD - C++ REFERENCE - CPLUSPLUS.COM A lock guard is an object that manages a mutex object by keeping it always locked. On construction, the mutex object is locked by the calling thread, and on destruction, the mutex is unlocked.It is the simplest lock, and is specially useful as an object with automatic duration that lasts until the end of its context. In this way, it guarantees the mutex object is properly unlocked in case an STOI - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as an integral number of the specified base, which is returned as an int value. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtol (or wcstol) to perform the conversion (see strtol for more details on the process). PRINTF - C++ REFERENCE - CPLUSPLUS.COM Writes the C string pointed by format to the standard output ().If format includes format specifiers (subsequences beginning with %), the additional arguments following format are formatted and inserted in the resulting string replacing their respective specifiers. Parameters format C string that contains the text to be written to stdout. It can optionally contain embedded format specifiers LRINT - C++ REFERENCE - CPLUSPLUS.COM Rounds x to an integral value, using the rounding direction specified by fegetround, and returns it as a value of type long int. See llrint for an equivalent function that returns a long long int. C99. C++11. Header provides a type-generic macro version of this function. Additional overloads are provided in this header ( ) for ALGORITHMS - C++ ARTICLES Articles : Algorithms. Pages: 1 29 30 31. C++. Information; Tutorials; Reference; Articles; ForumCPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations.BASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the characters WCSCMP - C++ REFERENCE - CPLUSPLUS.COM Compares the C wide string wcs1 to the C wide string wcs2. This function starts comparing the first character of each string. If they are equal to each other, it continues with the following pairs until the characters differ or until a terminating null wide character is reached. This function performs a simple comparison of the wchar_t values, without taking into account locale-specific rules STOD - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as a floating-point number, which is returned as a value of type double. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtod (or wcstod) to perform the conversion (see strtod for more details on the process). Note that the format accepted by these SNPRINTF - C++ REFERENCE - CPLUSPLUS.COM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 /* snprintf example */ #include int main () { char buffer ; int cx; cx = snprintf ( buffer, 100, "The half WSTRING - C++ REFERENCE - CPLUSPLUS.COM Wide string. String class for wide characters. This is an instantiation of the basic_string class template that uses wchar_t as the character type, with its default char_traits and allocator types (see basic_string for more info on the template). ATOMIC::COMPARE_EXCHANGE_WEAK Compares the contents of the atomic object's contained value with expected: - if true, it replaces the contained value with val (like store). - if false, it replaces expected with the contained value. The function always accesses the contained value to read it, and -if the comparison is true- it then also replaces it. But the entire operation is atomic: the value cannot be modified by otherMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object.GETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetySETPRECISION
Sets the decimal precision to be used to format floating-point values on output operations. Behaves as if member precision were called with n as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams). This manipulator is declared in header . Parameters n New value for the decimal precision.CPLUSPLUS.COM
Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples: C library: The popular C library, is also part of the of C++ language library. IOStream library. The standard C++ library for Input/Output operations.BASIC_ISTREAM::READ
Extracts n characters from the stream and stores them in the array pointed by by s. This function simply copies a block of data, without checking its contents nor appending a null character at the end. If the input sequence runs out of characters to extract (i.e., the end-of-file is reached) before n characters have been successfully read, the array pointed by s contains all the characters WCSCMP - C++ REFERENCE - CPLUSPLUS.COM Compares the C wide string wcs1 to the C wide string wcs2. This function starts comparing the first character of each string. If they are equal to each other, it continues with the following pairs until the characters differ or until a terminating null wide character is reached. This function performs a simple comparison of the wchar_t values, without taking into account locale-specific rules STOD - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as a floating-point number, which is returned as a value of type double. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtod (or wcstod) to perform the conversion (see strtod for more details on the process). Note that the format accepted by these SNPRINTF - C++ REFERENCE - CPLUSPLUS.COM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 /* snprintf example */ #include int main () { char buffer ; int cx; cx = snprintf ( buffer, 100, "The half WSTRING - C++ REFERENCE - CPLUSPLUS.COM Wide string. String class for wide characters. This is an instantiation of the basic_string class template that uses wchar_t as the character type, with its default char_traits and allocator types (see basic_string for more info on the template). ATOMIC::COMPARE_EXCHANGE_WEAK Compares the contents of the atomic object's contained value with expected: - if true, it replaces the contained value with val (like store). - if false, it replaces expected with the contained value. The function always accesses the contained value to read it, and -if the comparison is true- it then also replaces it. But the entire operation is atomic: the value cannot be modified by otherMAKE_SHARED
Make shared_ptr. Allocates and constructs an object of type T passing args to its constructor, and returns an object of type shared_ptr that owns and stores a pointer to it (with a use count of 1 ). This function uses ::new to allocate storage for the object.GETLINE (STRING)
Complexity Unspecified, but generally linear in the resulting length of str. Iterator validity Any iterators, pointers and references related to str may be invalidated. Data races Both objects, is and str, are modified. Exception safetySETPRECISION
Sets the decimal precision to be used to format floating-point values on output operations. Behaves as if member precision were called with n as argument on the stream on which it is inserted/extracted as a manipulator (it can be inserted/extracted on input streams or output streams). This manipulator is declared in header . Parameters n New value for the decimal precision. ANY_OF - C++ REFERENCE - CPLUSPLUS.COM Parameters first, last Input iterators to the initial and final positions in a sequence. The range used is [first,last), which contains all the elements between first and last, including the element pointed by first but not the element pointed by last. pred Unary function that accepts an element in the range as argument and returns a value convertible to bool. STRING - C++ REFERENCE - CPLUSPLUS.COM Strings are objects that represent sequences of characters. The standard string class provides support for such objects with an interface similar to that of a standard container of bytes, but adding features specifically designed to operate with strings of single-byte characters. The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as its CONTACT - CPLUSPLUS.COM IMPORTANT: Please do not use this form to send questions about programming. We do not offer that service, and that is not the purpose of this contact form. For those matters, we invite you to check out our forums. * = Mandatory field. STOF - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as a floating-point number, which is returned as a value of type float. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtod (or wcstod) to perform the conversion (see strtod for more details on the process). Note that the format accepted by theseISTREAM::TELLG
Returns the position of the current character in the input stream. Internally, the function accesses the input sequence by first constructing a sentry object (with noskipws set to true) without evaluating it.Then, if member fail returns true, the function returns -1. Otherwise, returns rdbuf()->pubseekoff(0,cur,in).Finally, it destroys the sentry object before returning. LOCK_GUARD - C++ REFERENCE - CPLUSPLUS.COM A lock guard is an object that manages a mutex object by keeping it always locked. On construction, the mutex object is locked by the calling thread, and on destruction, the mutex is unlocked.It is the simplest lock, and is specially useful as an object with automatic duration that lasts until the end of its context. In this way, it guarantees the mutex object is properly unlocked in case an STOI - C++ REFERENCE - CPLUSPLUS.COM Parses str interpreting its content as an integral number of the specified base, which is returned as an int value. If idx is not a null pointer, the function also sets the value of idx to the position of the first character in str after the number. The function uses strtol (or wcstol) to perform the conversion (see strtol for more details on the process). PROMISE - C++ REFERENCE - CPLUSPLUS.COM A promise is an object that can store a value of type T to be retrieved by a future object (possibly in another thread), offering a synchronization point. On construction, promise objects are associated to a new shared state on which they can store either a value of type T or an exception derived from std::exception. This shared state can be associated to a future object by calling member get RAND - C++ REFERENCE - CPLUSPLUS.COM A typical way to generate trivial pseudo-random numbers in a determined range using rand is to use the modulo of the returned value by the range span and add the initial value of the range: 1. 2. 3. v1 = rand () % 100; // v1 in the range 0 to 99 v2 = rand () % 100 + 1; // v2 in the range 1 to 100 v3 = rand () % 30 + 1985; // v3 in the range VSNPRINTF - C++ REFERENCE - CPLUSPLUS.COM int vsnprintf (char * s, size_t n, const char * format, va_list arg ); Write formatted data from variable argument list to sized buffer. Composes a string with the same text that would be printed if format was used on printf, but using the elements in the variable argument list identified by arg instead of additional function arguments and storing the resulting content as a C string in the This website uses cookies. By continuing, you give permission to deploy cookies, as detailed in our privacy policy . okSearch:
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C LIBRARY
C Language Library The C++ library includes the same definitions as the C language library organized in the same structure of header files, with the following differences: * Each header file has the same name as the C language version but with a "c" prefix and no extension. For example, the C++ equivalent for the C language header fileNOTE ON VERSIONS
C++98 includes the C library as described by the 1990 ISO C standard and its amendment #1 (ISO/IEC 9899:1990 and ISO/IEC 9899:1990/DAM 1). C++11 includes the C library as described by the 1999 ISO C standard and its Technical Corrigenda 1, 2 and 3 (ISO/IEC 9899:1999 and ISO/IEC 9899:1999/Cor.1,2,3), plusC++.
HEADERS
* C90 (C++98)
* C99 (C++11)
*
*(header)
*functions (header)
*(header)
*(header)
*signals (header)
*handling (header)
*(header)
*and .
* (header)
*functions (header)
*(header)
*(header)
*signals (header)
*handling (header)
*(header)
*(header)
C++
* Information
* Tutorials
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REFERENCE
*
C LIBRARY:
*
*
(ctype.h)
*
(errno.h)
*
(fenv.h)
*
(float.h)
*
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