_S_IFREG           41 kern/include/stat.h #define S_IFREG  _S_IFREG
_S_IFREG           43 user/include/sys/stat.h #define S_ISREG(mode) ((mode & _S_IFMT) == _S_IFREG)
_S_IFREG           56 user/include/sys/stat.h #define S_IFREG  _S_IFREG