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Tag Archives: C-Library

 C++ offers its users a variety of functions, one of which is included in header files. In C++, all the header files may or may… Read More
std::string::crbegin() The std::string::crbegin() is a string class built-in function that returns a constant reverse iterator referring to the last element in the string. Using this… Read More
The std::string::rfind is a string class member function that is used to search the last occurrence of any character in the string. If the character… Read More
Most of the C Programs deals with complex number operations and manipulations by using complex.h header file. This header file was added in C99 Standard.… Read More
This header file consists of platform-dependent and implementation specific floating point values. A floating point has four parts. Sign Its value can be either negative… Read More
The localtime() function is defined in the time.h header file. The localtime( ) function return the local time of the user i.e time present at… Read More
In C++ there are number of stream classes for defining various streams related with files and for doing input-output operations. All these classes are defined… Read More
Any time you use an *f function, whether it be printf, scanf, or their derivatives (fprintf, fscanf, etc…), you are doing more things than you… Read More
In programming, a library is a collection of pre-compiled pieces of code that can be reused in a program. Libraries simplify life for programmers, in… Read More
The strlwr( ) function is a built-in function in C and is used to convert a given string into lowercase. Syntax: char *strlwr(char *str); Parameter:… Read More
The strrev() function is a built-in function in C and is defined in string.h header file. The strrev() function is used to reverse the given… Read More
The strcmpi() function is a built-in function in C and is defined in the “string.h” header file. The strcmpi() function is same as that of… Read More
The tolower() function is defined in the ctype.h header file. If the character passed is an uppercase alphabet then the tolower() function converts an uppercase… Read More
The strlen() function calculates the length of a given string.The strlen() function is defined in string.h header file. It doesn’t count null character ‘\0’. Syntax:… Read More
The time() function is defined in time.h (ctime in C++) header file. This function returns the time since 00:00:00 UTC, January 1, 1970 (Unix timestamp)… Read More

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