NAME¶
io_readfile - open a file for reading and writing
SYNTAX¶
#include <io.h>
int
io_readwritefile(int64* d,const char* s);
DESCRIPTION¶
io_readwritefile sets d to the number of a new descriptor reading from and
writing to the disk file named
s, and returns 1. The file needs to
exist.
If something goes wrong, io_readwritefile 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_readfile(3),
io_createfile(3),
io_appendfile(3)
