PN_ATOI           125 core/string.c      return PN_NUM(sign * PN_ATOI(str, i, 10));
PN_ATOI           197 core/syntax.y        | hex   { $$ = PN_NUM(PN_ATOI(yytext, yyleng, 16)) }
PN_ATOI           199 core/syntax.y                    $$ = PN_NUM(PN_ATOI(yytext, yyleng, 10));
PN_ATOI           284 core/syntax.y    unsigned long code = PN_ATOI(yytext, yyleng, 16);
PN_ATOI           304 core/syntax.y    unsigned long code = PN_ATOI(yytext, yyleng, 16);