ref: a342e5ac5d5bda2efb66fb9a29d2e7f72aba688d dir: /sys/src/libstdio/fgetpos.c/
/* * pANS stdio -- fgetpos */ #include "iolib.h" int fgetpos(FILE *f, fpos_t *pos){ *pos=ftell(f); return *pos==-1?-1:0; }