iOS Introductory C language-basic function--4--Numeric Exchange function

A common function, to be sorted out, to avoid writing every time

Parameter return value resolution:

Parameters:

*a:int*, the first variable that needs to be exchanged for a value;

*b:int*, the second variable that needs to be exchanged for a value;

return value:

No

Function parsing:

Swap (&A,&B); // Reference Method ' & ' is a fetch address character, no pointer base is not recommended for use

1 void swap (int *a,int *b)2{3     int temp = *A; 4     *a = *b; 5     *b = temp; 6 }

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Introduction to iOS C-Basic function--4--numeric Exchange function