The direct_trim string in/lib/Direct/util. C is normalized to handle function comments.

/Lib/Direct/util. c

//String normalization to Remove unused characters

Void direct_trim (char ** S)

{

Int I;

Int Len = strlen (* s );

//Check from the back to the front to remove spaces and extra invalid characters until the last valid character

For (I = len-1; I> = 0; I --)

If (* s) [I] <= '')

(* S) [I] = 0; // end mark of the string. the ASCII value of null is 0.

Else

Break;

//Check from and after, ignore spaces and invalid characters, and point the pointer to the first valid character

While (** S)

If (** S <= '') // when a space is encountered, the string pointer is moved back.

(* S) ++;

Else

Return;

}