c-program Archives - onlinetutorialspoint

C File Operations – getc() – puts() – fscanf() – fprintf()

Hemanth Krishna Vineel Ramayanam — Sat, 08 May 2021 05:22:07 +0000

In this tutorial, we are going to learn about C file operations. C File Operations: The functions getc() and fgetc() are used to read a character from the file which is opened for reading purpose. Both the functions have the same syntax and their work is also similar. Read and Write characters using getc() and putc(): The general syntax of getc() is:

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File Handling in C

Hemanth Krishna Vineel Ramayanam — Fri, 07 May 2021 07:06:21 +0000

In this tutorial, we are going to learn about reading and writing files in C. File Handling in C: The English dictionary term file refers to a folder or a box used for storing loose papers together (mostly in order) for easy reference. However, in computer terminology, a file is a collection of related data stored as a

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Understanding Switch Case in C

Hemanth Krishna Vineel Ramayanam — Thu, 06 May 2021 06:02:37 +0000

In this article, we are going to understand the switch-case construct in C Language. Switch Case in C The switch-case construct is an alternative to the if-else-if construct. Below code shows the general format of a switch-case construct: switch (expression) { case constant_1 : statement_1; break; case constant_2 : statement_2; statement_3; break; ... ... default

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C Flow Control Statements – if, if-else, nested if-else, if-else-if

Hemanth Krishna Vineel Ramayanam — Wed, 05 May 2021 10:57:14 +0000

In this article, we are going to understand the Flow Control Statements in C Language. Any valid combination of constants, variables, and operators constitutes an expression. Some of the examples are: x + y x++ x + (y + z) When an expression is followed by a semicolon (;) it becomes a simple statement. Below are a

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C – How to work with Comma and sizeof Operators

chandrashekhar — Wed, 05 May 2021 04:56:43 +0000

In this tutorial, we are going to learn about the comma and sizeof operators in C. Comma operator: In C, there are two special operators: the comma (,) operator and the sizeof operator. The Comma(,) operator is used to declare multiple expressions in a single statement. Comma operator acts as a separator between multiple expressions, in declaring multiple variables and in function call parameters.

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C – Operator Precedence and Associativity

Hemanth Krishna Vineel Ramayanam — Tue, 04 May 2021 08:56:30 +0000

In this tutorial, we are going to learn about the operator precedence, and associativity. Operator Precedence & Associativity: When several operators appear in one expression, evaluation takes place according to certain predefined hierarchical rules. These rules specify the order of evaluation (also called precedence) which determines the priority of operators. The operator with higher precedence is evaluated before others with lesser

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C Structures – Access the members of a Struct

Hemanth Krishna Vineel Ramayanam — Wed, 28 Apr 2021 08:05:09 +0000

In this tutorial, we are going to learn about accessing members of the structure. Access the members of a Struct with an arrow (->) operator: A pointer pointing to a structure is known as a structure pointer. If a pointer to the structure variable is declared, then arrow (->) notation is used to access the members of the structure. Remember that on

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C Derived types Structures – Defining a Struct

Hemanth Krishna Vineel Ramayanam — Tue, 27 Apr 2021 08:15:48 +0000

In this tutorial, we are going to learn about the basics of structures, their declarations, and their definitions. Struct in C: A Structure is a derived data type to organize a group of related data items of different data types referring to a single entity. i.e., a single variable capable of holding data items of different data types. The data items

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How to work with Union in C

Hemanth Krishna Vineel Ramayanam — Tue, 27 Apr 2021 06:03:28 +0000

In this tutorial, we are going to learn about union and how is it different from a structure. Union in C: A union is also a collection of different data types in C but that allows to store of different data types in the same memory location. User can define a union with many members, but only one member can

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C – Fundamentals of Recursion functions

Hemanth Krishna Vineel Ramayanam — Mon, 26 Apr 2021 04:54:56 +0000

In this tutorial, we are going to learn about the fundamentals of recursion functions. In C language it is possible for functions to call themselves. C - Fundamentals of Recursion functions: A function is called recursive if a statement within the body of the function calls the same function. This is also known as a circular definition or self-reference. There is a distinct difference between

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