_ast_init _sfdlen _sffilbuf _sfflsbuf _sfgetl _sfgetl2 _sfgetu _sfgetu2 _sfllen _sfputd _sfputl _sfputu _stdgets _stdscanf _stdsprintf _stkseek printf remove sfclose sfclrerr sfclrlock sfdisc sfdlen sfdostext sfeof sferror sffcvt sffileno sfgetc sfgetd sfgetl sfgetr sfgetu sfkeyprintf sfllen sfmove sfnew sfnotify sfnputc sfopen sfpkrd sfpoll sfpool sfpopen sfprintf sfprints sfpurge sfputc sfputd sfputl sfputr sfputu sfrd sfread sfreserve sfscanf sfseek sfset sfsetbuf sfsetfd sfsize sfsk sfslen sfslowio sfsprintf sfsscanf sfstack sfstacked sfswap sfsync sftell sftmp sfulen sfungetc sfvalue sfvprintf sfvscanf sfwr sfwrite sigflag sprintf system mktemp strdup