Full prototype:
int isgraph(int);
Purpose and Notes:
Tests the value passed into the function to determine if it is printable or not. (Except the space: ' ' character)
Same as the
isprint() function except that it excludes the space: ' ' character.
Returns:
int- C-style true or false on whether the character passed in as the argument to the function is printable or not (excluding the space: ' ' character).
Argument 1:
int- The character to be tested on whether or not it is printable. (Excluding space ' ')