Scanf: floating point formats not linked Abnormal Program termination reported by the turbo c2.0 atof () function

For the following sectionProgram:

# Include <stdio. h> # include <math. h> main (){Char* A; A ="123";Printf("% F",Atof());}

In fact, the execution result of this program should be

However, in the compiling environment of Turbo C 2.0, the following error is reported:

Google gave me a hand and found the most valuable document:

Official explanation of the Borland C ++ "unlinked floating point format" error

However, I am relatively lazy and directly downloaded the Turbo C 3.0 compiling environment. This problem does not occur.