Examples:
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c: In function ‘c_exp’:
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c:171:48: warning: declaration of built-in function ‘floor’ without a prototype; expected ‘double(double)’ [-Wbuiltin-declaration-mismatch]
171 | double polevl(double, void *, int), floor(), ldexp();
| ^~~~~
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c:171:57: warning: declaration of built-in function ‘ldexp’ without a prototype; expected ‘double(double, int)’ [-Wbuiltin-declaration-mismatch]
171 | double polevl(double, void *, int), floor(), ldexp();
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c:200:16: warning: passing arguments to 'polevl' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
px = x * polevl( xx, P, 2 );
^
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c:201:17: warning: passing arguments to 'polevl' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
x = px/( polevl( xx, Q, 3 ) - px );
^
/home/mrichters/Repos/Raze/source/common/thirdparty/math/exp.c:167:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
double c_exp(x)
^
3 warnings generated.