#include #include "ourhdr.h" void set_fl(int fd, int flags) /* flags are file status flags to turn on */ { int val; if ( (val = fcntl(fd, F_GETFL, 0)) < 0) err_sys("fcntl F_GETFL error"); val |= flags; /* turn on flags */ if (fcntl(fd, F_SETFL, val) < 0) err_sys("fcntl F_SETFL error"); }