modifier for the printf (3) and the scanf (3) families of functions. To printaffects functions such as printf (3), scanf (3), and strtod (3). This information can alsoPOSIX.1-2008] rewind() rewinddir() scandir() [Added in POSIX.1-2008] scanf() seekdir() semop() setgrent() sethostent() setnetent() setprotoent() setpwent