Overview of C Operators

An operator in C is a symbol that instructs the compiler to perform specific mathematical, logical, or relational manipulations on operands.

C provides a rich set of built-in operators categorized by function and precedence level.

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1. Arithmetic Operators

Arithmetic operators perform basic mathematical calculations on numerical operands:

c (ISO Standard)
Run in Compiler.cCopy
#include <stdio.h>

int main() {
    int x = 20;
    int y = 6;

    printf("Addition: %d\n", x + y);
    printf("Integer Division: %d\n", x / y);
    printf("Remainder Modulo: %d\n", x % y);

    return 0;
}

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2. Relational & Equality Operators

Relational operators compare two values and evaluate to 1 (true) or 0 (false):

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3. Logical Operators

Logical operators combine boolean expressions:

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4. Bitwise Operators

Bitwise operators manipulate integer data at the individual bit level:

c (ISO Standard)
Run in Compiler.cCopy
#include <stdio.h>

int main() {
    unsigned char a = 0b00001100; /* 12 */
    unsigned char b = 0b00011001; /* 25 */

    printf("a & b = %d\n", a & b);   /* 8 */
    printf("a | b = %d\n", a | b);   /* 29 */
    printf("a << 1 = %d\n", a << 1); /* 24 */

    return 0;
}

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5. Operator Precedence & Associativity Table

When an expression contains multiple operators, precedence determines evaluation order (higher numbers bind first):

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Related Language References

• Check primitive memory requirements in the C Data Types Reference.
• Review beginner syntax and fundamentals in C Programming Basics.
• Test expressions interactively in the Online C Compiler.