CLOSEFROM(2) BSD Programmer's Manual CLOSEFROM(2)
closefrom - delete many descriptors
#include <unistd.h> int closefrom(int fd);
The closefrom() call deletes all descriptors numbered fd and higher from the per-process file descriptor table. It is effectively the same as cal- ling close(2) on each descriptor.
Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned and the global integer variable errno is set to indi- cate the error.
closefrom() will fail if: [EBADF] fd is greater than any open file descriptor. [EINTR] An interrupt was received.
close(2) MirOS BSD #10-current January 11, 2004 1
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