Scm_MakeSysTm    2684 src/gauche.h   SCM_EXTERN ScmObj Scm_MakeSysTm(struct tm *);
Scm_MakeSysTm    1771 src/syslib.c   SCM_RESULT = Scm_MakeSysTm(gmtime(&tim));
Scm_MakeSysTm    1791 src/syslib.c   SCM_RESULT = Scm_MakeSysTm(localtime(&tim));