__REPB_PREFIX
unsigned char *__REPB_PREFIX(buffer);
unsigned long int __REPB_PREFIX(allocated);
unsigned long int __REPB_PREFIX(used);
reg_syntax_t __REPB_PREFIX(syntax);
char *__REPB_PREFIX(fastmap);
__RE_TRANSLATE_TYPE __REPB_PREFIX(translate);
unsigned __REPB_PREFIX(can_be_null) : 1;
unsigned __REPB_PREFIX(regs_allocated) : 2;
unsigned __REPB_PREFIX(fastmap_accurate) : 1;
unsigned __REPB_PREFIX(no_sub) : 1;
unsigned __REPB_PREFIX(not_bol) : 1;
unsigned __REPB_PREFIX(not_eol) : 1;
unsigned __REPB_PREFIX(newline_anchor) : 1;