_CP_writev

_CP_writev is equivalent to the writev and writevu BASIC statements.

Type

BASIC Statement

_CP_WRITEV

writev string1 on expression1,string2,expression2

_CP_WRITEUV

writevu string1 on expression1,string2,expression2

expression1 should be an integer file descriptor returned by the _CP_open call.

Syntax

int _CP_writev(int type, CPSTR* string1, int expression1, CPSTR* string2, expression2)

Description

This function returns -1 if an error occurs. The error code is contained in _CP_errno.

Example(s)

/* Writes "hi" into attribute 1 of item "myid" in "myfile". */

 

CPSTR * s = _CP_mkstr("myfile");

CPSTR * t = _CP_mkstr("hi");

CPSTR * id = _CP_mkstr("myid");

int f;

 

_CP_open(&f,_CP_str_null,s);

_CP_writev(_CP_WRITE, t, f, id, 1);

See Also

C Functions Overview, _CP_close, _CP_open, _CP_read, _CP_readv, _CP_write