ref: 75d6267a5f788162d92e7a5ae126cd8b0770aa8a 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; }