HelenOS sources

SEC2MSEC          126 uspace/lib/c/include/time.h #define SEC2MSEC(s)	((s) * 1000ll)
SEC2MSEC          126 uspace/lib/posix/include/libc/time.h #define SEC2MSEC(s)	((s) * 1000ll)
HelenOS homepage, sources at GitHub