(root)/
glibc-2.38/
sysdeps/
generic/
math-use-builtins-trunc.h
       1  #define USE_TRUNC_BUILTIN 0
       2  #define USE_TRUNCF_BUILTIN 0
       3  #define USE_TRUNCL_BUILTIN 0
       4  #define USE_TRUNCF128_BUILTIN 0