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C Programming Tutorials
Basics of C:
Facts about C
Why to Use C
C Program File
C Compilers
Program Structure:
Simple C Program
C
Program Compilation
Basic DataTypes:
DataTypes
Modifiers
Qualifiers
Arrays
Variable Types:
Local Variable
Global
Variable
Storage Classes:
auto storage class
register storage
class
static storage
class
extern storage
class
Using Constants:
Defining Constants
The enum Data Types
Operator Types:
Arithmetic Operators
Logical Operators
Bitwise Operators
Assignment Operators
Misc
Operators
Control Statements:
Branching
Looping
Input and Output:
printf() function
scanf() function
Pointing to Data:
Pointers and Arrays
Pointer
Arithmetic
Pointer Arithmetic
with arrays
Functions:
Using functions
Declaration and
Definition
Strings:
Reading and Writing
Strings
String Manipulation Function
Structured DataTypes:
Structure
Pointer to Structure
Working with Files:
Files
Basic I/O
Bits:
Bits Manipulation
Bits Field
Pre-Processors:
Pre-Processors Examples
Parameterized Macros
Macro
Caveats
Useful Concepts
Built-in Library Functions:
String Manipulation
Function
Memory Management
Function
Buffer
Manipulation
Character
Functions
Error Handling
Functions
Soft Skills
Communication Skills
Leadership Skills
.........More
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C Programming Tutorials
Logical Operators Examples
Try following example to understand all the Logical operators. Copy and paste
following C program in test.c file and compile and run this program.
main()
{
int a = 21;
int b = 10;
int c ;
if( a == b )
{
printf("Line 1 - a is equal to b\n" );
}
else
{
printf("Line 1 - a is not equal to b\n" );
}
if ( a < b )
{
printf("Line 2 - a is less than b\n" );
}
else
{
printf("Line 2 - a is not less than b\n" );
}
if ( a > b )
{
printf("Line 3 - a is greater than b\n" );
}
else
{
printf("Line 3 - a is not greater than b\n" );
}
/* Lets change value of a and b */
a = 5;
b = 20;
if ( a <= b )
{
printf("Line 4 - a is either less than or equal to b\n" );
}
if ( b >= a )
{
printf("Line 5 - b is either greater than or equal to b\n" );
}
if ( a && b )
{
printf("Line 6 - Condition is true\n" );
}
if ( a || b )
{
printf("Line 7 - Condition is true\n" );
}
/* Again lets change the value of a and b */
a = 0;
b = 10;
if ( a && b )
{
printf("Line 8 - Condition is true\n" );
}
else
{
printf("Line 8 - Condition is not true\n" );
}
if ( !(a && b) )
{
printf("Line 9 - Condition is true\n" );
}
} |
This will produce following result
Line 1 - a is not equal to b
Line 2 - a is not less than b
Line 3 - a is greater than b
Line 4 - a is either less than or equal to b
Line 5 - b is either greater than or equal to b
Line 6 - Condition is true
Line 7 - Condition is true
Line 8 - Condition is not true
Line 9 - Condition is true |
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