Bug 23476 – Second ImportC example in Quick Examples, Section 41.1, does not compile

Compiling the example verbatim with either the released version of DMD or the current release candidate produces the following: (dmd-2.101.0-rc.1)dca@giovanni:/tmp$ dmd demo.d square.c demo.d(6): Error: function expected before `()`, not `module square` of type `void` This is due to the name conflict between the C module and the function it contains. Fully qualifying the function name in the D code fixes it: import std.stdio; import square; void main() { int i = 7; writefln("The square of %s is %s", i, square.square(i)); }

https://dlang.org/spec/importc.html#examples I just tried it, and it works, because square.c was renamed to functions.c.