debian man page for io_readfile

io_readfile(3)						     Library Functions Manual						    io_readfile(3)

NAME
       io_readfile - open a file for reading

SYNTAX
       #include <io.h>

       int io_readfile(int64* d,const char* s);

DESCRIPTION
       io_readfile sets d to the number of a new descriptor reading from the disk file named s, and returns 1.

       If  something goes wrong, io_readfile sets errno to indicate the error, and returns 0; it does not create a new descriptor, and it does not
       touch d.

SEE ALSO
       io_createfilefile(3), io_appendfile(3), io_readwritefile(3)

																    io_readfile(3)