If you want to set a breakpoint in a source file that contains the line of code pointed to by the PC, you can specify only a line number in the file. For example, using the CLI command BREAKINSTRUCTION you can set a breakpoint at column 2 of line 92 in the dhry_1.c source file with:

However, if you want to set a breakpoint in another source file associated with the loaded image, you must qualify the line number reference with the module name (see Module naming conventions).