pollution: tempnam
extern char *tempnam(const char *, const char *); 

pollution: cuserid
extern char *cuserid(char *); 

pollution: getopt
extern int getopt(int, char *const *, const char *); 

pollution: optarg
extern char *optarg; 

pollution: optind
pollution: opterr
pollution: optopt
pollution: optreset
extern int optind, opterr, optopt, optreset; 

pollution: getw
extern int getw(FILE *); 

pollution: putw
extern int putw(int, FILE *); 

pollution: L_cuserid
#define L_cuserid 9

pollution: P_tmpdir
#define P_tmpdir "/var/tmp/"