REGS_FIXED        455 lib/regex.h    # define REGS_FIXED 2
REGS_FIXED        849 src/regex-emacs.c enum { REGS_UNALLOCATED, REGS_REALLOCATE, REGS_FIXED };
REGS_FIXED        378 test/manual/etags/c-src/emacs/src/regex.h #define REGS_FIXED 2