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io_readwritefile - Man Page

open a file for reading and writing


#include <io.h>

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


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)

Referenced By

io_appendfile(3), io_createfile(3), io_readfile(3).