What does sign mean in c language?

In C language, the sign() function returns the sign of the expression (positive, negative, or zero). Return value: 1 if the expression is positive, -1 if it is negative, and 0 if it is zero.

sign means in C language

In C language, sign function Returns the sign of the expression, which can be positive, negative, or zero.

Usage

<code class="c">int sign(int n);</code>

Where:

• n is the expression to determine the symbol.

Return value

• If n is a positive number, return 1.
• If n is negative, return -1.
• If n is zero, return 0.

Example

<code class="c">int num1 = 5, num2 = -10;

printf("sign(%d) = %d\n", num1, sign(num1));
printf("sign(%d) = %d\n", num2, sign(num2));</code>

Output:

<code>sign(5) = 1
sign(-10) = -1</code>

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