kernelv_ch_get_filename()
Prototype
| KERNELV_RETURN | kernelv_ch_get_filename (unsigned long int chanIndex, | 
Description
Reads the file name of the program currently active in the channel.
Parameter
| Name | Type | Meaning | 
| chanIndex | unsigned long | Channel index of the channel whose file name is to be read. | 
| filename | char* | Pointer to the memory location for the file name. | 
| nameLength | unsigned short | Length of the memory area for the file name. | 
| returnLength | unsigned short* | Pointer to the value to which the actually returned number of bytes is to be written. The number of characters in the file name +1 is returned. | 
Return values
| Symbol | Value | Meaning | 
| RET_FINISHED | 0 | The function was executed without error. | 
| ERR_INVALID_CHAN | -1 | The transferred channel index is higher than the number of configured channels -1. | 
| ERR_CNC_NOT_INIT | -3 | The simulation CNC kernel was not yet initialised. | 
| ERR_CNC_RET_MEMORY | -4 | The return value(s) does/do not fit into the memory provided. In this case, the required memory including the terminating 0 are returned in the returnLength parameter. |