S_ISREG           275 dln_find.c     # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
S_ISREG          1709 file.c         #   define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
S_ISREG           914 io.c           #   define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)