rb_w32_uchdir      70 dir.c          #define chdir(p) rb_w32_uchdir(p)
rb_w32_uchdir     310 include/ruby/win32.h extern int rb_w32_uchdir(const char *);
rb_w32_uchdir    2985 process.c      #define chdir(p) rb_w32_uchdir(p)