as an extension, have putenv("VAR") behave as unsetenv("VAR")
[musl] / src / unistd / fdatasync.c
1 #include <unistd.h>
2 #include "syscall.h"
3
4 int fdatasync(int fd)
5 {
6         return syscall(SYS_fdatasync, fd);
7 }