int PEM_read(FILE *fp, char **name, char **header,
unsigned char **data, long *len);
int PEM_write(FILE *fp, const char *name, const char *hdr,
int PEM_read(FILE *fp, char **name, char **header,
unsigned char **data, long *len);
int PEM_write(FILE *fp, const char *name, const char *hdr,