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C Programming.TK

C programming tutorial

• What is C
• What do we need to program in C
• My first C program( hello world C )
• variables in C
• arithmetic operators in C
• How to show output in C
• How to take input from user
• relational operators in C
• If statement in C
• If else statement in C
• Nested if statement in C
• switch case in C
• logical operators in C
• C for loop
• While loop in C
• Do while loop in C
• break statement in C
• goto statement in c
• array in C

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goto statement

 

goto can transfer the program control anywhere in the program.Target destination of this statement is marked by a label.The target label and goto function must appear in th same function.Hence we cant use it to jump from one function to other.

Syntax

label is any name given by programmer .When goto statement (at the top in above syntax)will be encountered by compiler control will goto the label specified (at bottom in above syntax). Compiler will skip in between code and statements after label : will be executed.

Example

Explanation of above program

b is initially 1.

printf statement will print 2 .

If condition will check whether b is less then 10.Since it is 2 hence less therefore goto statement will execute .This statement will take control to label i.e C.printf will again execute and print 3.This will be keep going until b becomes 10.

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