ref: 7ec9f2612f4ac5e4e15922369c7536753e68fc26
dir: /nm/nm.h/
struct symbol {
	char *name;
	int type;
	unsigned long long value;
	unsigned long size;
};
struct objfile {
	int (*probe)(char *fname, char *member, FILE *fp);
	int (*nm)(char *fname, char *member, FILE *fp);
};
/* main.c */
extern void printsyms(char *, char *, struct symbol *, size_t );