pollution: fopen_s extern errno_t fopen_s(FILE * restrict * restrict,const char *restrict, const char *restrict); pollution: gets extern char *gets(char *); pollution: tempnam extern char *tempnam (const char*, const char*); pollution: asctime_r extern char *asctime_r (const struct tm *restrict, char *restrict); pollution: ctime_r extern char *ctime_r (const time_t *, char *); pollution: wctype extern wctype_t wctype (const char*); pollution: wctype extern wctype_t wctype (const char *);