# cst_regex.c
cst_regex.o: cst_regex.c ../../include/cst_alloc.h \
  ../../include/cst_regex.h ../../include/cst_string.h

# regexp.c
regexp.o: regexp.c ../../include/cst_alloc.h ../../include/cst_string.h \
  ../../include/cst_error.h ../../include/cst_regex.h

# regsub.c
regsub.o: regsub.c ../../include/cst_regex.h ../../include/cst_string.h \
  ../../include/cst_error.h