Readrecord – Argox PA-20 Programming Guide User Manual
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PT-20 Programming Guide
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Returns： When char * buffer = NULL, functions will pass the data size back. Read
defeat: Pass back - 1.
When char * buffer ≠ NULL. Read succeed: Pass 1 back; Read defeat:
Pass back - 1.
Purpose： Use this function to read the data of appointed record.
Syntax： int ReadRecord(_DBMS* F_Search, int recordno, char* buffer);
Example call： char str_buffer[30];
ReadRecord (&fsearch,5,str_buffer);//Reading the data of sixth record,
and store to “str_buffer”.
Includes：
#include “DBMS.h”
Description： int recordno : Read of record position。
char* buffer : Read the storing space of field。
Returns： When char * buffer = NULL, functions will pass materials size back. Read
defeat. Pass back - 1.
When char * buffer does not equal NULL. Read succeed. Passing 1 back;
Read defeat. Pass back - 1.