1: 4:printf(" Hey :) n");
The ".gcov" files can be examined using a normal editor. The first
column is the number of times that the line is executed. A decimal
number indicates the number of times that the line of code executes, a
'-' means that it is no code is generated for the line, and "#####"
indicates the generated code was not executed at all. To the right of
the first ':' is line number the remainder of the line is the source