The function returns the absolute value of a long int value.

labs()

Explanation:

The function used to return the absolute value of the integer depends on the type of the integer used.

for the data type int, we can use abs() function.

for data type float, we can use fabs() function.

for data type long int, we can use labs() function.

The meaning of absolute value is to convert negative to a positive value.

for example:

p = -41567L;

labs(p);

it gives the absolute value 41567.

Therefore, the correct answer is labs().

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