Siemens SIMATIC S7 - E_Field_Read

SIEMENS AG PRODAVE S7
Toolbox for Data Link PGs/PCs to SIMATIC S7
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e_field_read
The function e_field_read reads “amount” of input bytes from the PLC starting
from input byte "no" and stores the read values into a variable field of the
PG/PC.
If there were no errors, the function supplies 0 as the return value otherwise an
error message which can be evaluated in accordance with the error table (see
error_message).
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See also a_field_read, m_field_read
C-Adapter
int e_field_read (int no,int amount,void * buffer);