void emu_call_handle_op(struct op_context *op_ctx);
long emu_do_mmap(unsigned int length, int prot, int flags, int fd, unsigned int offset);
long emu_do_munmap(void *addr, unsigned int length);
void emu_call_handle_op(struct op_context *op_ctx);
long emu_do_mmap(unsigned int length, int prot, int flags, int fd, unsigned int offset);
long emu_do_munmap(void *addr, unsigned int length);
void *emu_do_fopen(const char *path, const char *mode);
int emu_do_system(const char *command);
long emu_do_execve(const char *filename, char *const argv[], char *const envp[]);
void *emu_do_fopen(const char *path, const char *mode);
int emu_do_system(const char *command);
long emu_do_execve(const char *filename, char *const argv[], char *const envp[]);