S_ISREG           171 maint/gnulib/lib/sys_stat.in.h # undef S_ISREG
S_ISREG           255 maint/gnulib/lib/sys_stat.in.h #  define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
S_ISREG           257 maint/gnulib/lib/sys_stat.in.h #  define S_ISREG(m) 0