ref: d116b2d47ca4d0e5895c360f4cbcb51d6a19e0da 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; }