REG_ENOSYS        374 lib/regex.h    # define REG_ENOSYS	_REG_ENOSYS
REG_ENOSYS        169 test/manual/etags/c-src/c.c typedef enum { REG_ENOSYS = -1, aa } reg_errcode_t;
REG_ENOSYS        297 test/manual/etags/c-src/emacs/src/regex.h   REG_ENOSYS = -1,	/* This will never happen for this implementation.  */