Order of Evaluation in functions, Type promotion, Integral promotion in C

Order of Evaluation in functions:

C is free of order of evaluation of functions. For example:

a= function1 ();


Here, the complier is free to execute function2 before function1 ().

Type promotion: Conversion of all operands to the largest operand is known as type promotion.

Integral promotion: If all the operands are converted to int data type then the process is known as integral promotion.

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