extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
-extern disassembler_ftype arc_get_disassembler PARAMS ((int, int));
+extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
extern int print_insn_big_arm PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_little_arm PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_tic80 PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
+extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
extern void print_arm_disassembler_options PARAMS ((FILE *));
extern void parse_arm_disassembler_option PARAMS ((char *));