.TH FCNTL 7 .SH NAME fcntl \- file control options .SH SYNOPSIS .B #include <fcntl.h> .SH DESCRIPTION The .IR fcntl (2) function provides for control over open files. This include file describes .I requests\^ and .I arguments\^ to .I fcntl\^ and .IR open (2). .PP .nf .ta .5i 1.38i 2i .so /usr/include/fcntl.h .SH "SEE ALSO" fcntl(2), open(2).