...open() fpathconf() fprintf() fputc() fputs() fputwc() fputws() fread() freopen() fscanf() fseek() fseeko() fsetpos() fstat() fstatat() [Added in POSIX.1-2008] ftell() ftello() f…...RGEFILE_SOURCE This macro was historically used to expose certain functions (specifically fseeko (3) and ftello (3)) that address limitations of earlier APIs ( fseek (3) and fte…...RGEFILE_SOURCE This macro was historically used to expose certain functions (specifically fseeko (3) and ftello (3)) that address limitations of earlier APIs ( fseek (3) and fte…