'x' is same as "x"
length of the string "x" is two
Unless otherwise specified, the first name in an enum has the value 1
None of the above
finds the hypotenuse of a triangle with sides a + 2 and b + 3
finds the square root of (a + 2)2 + (b + 3)2
is invalid
finds the square root of 3 * a + 4 * b + 5
cannot be beyond the file in which it is defined
may be part of a file
is the entire program
excludes string of characters within double quotes
The opening parenthesis should immediately follow the macro name
There should be at least one blank between the macro name and the opening parenthesis
There should be only one blank between the macro name and the opening parenthesis
All the above comments are correct
a C compiler
an inter-active debugger
a C interpreter
a tool for analysing a C program