niSwitch_InitWithTopology
 niSwitch_RelayControl
 niSwitch_WaitForDebounce
 niSwitch_close


////
#include <stdio.h>
#include <stdlib.h>
////

#include "niswitch.h"
#include "niSwitchErrorHandler.h"

int getTotalLine(char *name)
void getChName(char *name,char *chname, char *ch)

int main (void)
{
  char fname[255];
  char Ch[3][6][255];
  char Chname[3][255];
void getChName(char *fname,char *Chname, char *ch)


   ViSession switchSession = VI_NULL;
   ViStatus switchError = VI_SUCCESS;

   for(int i=0;i<3;i++){
   ViRsrc resourceName = Chname[i];
    for(int j=0;j<6;j++);
    if(ch[i][j] == nulv)continue;

   ViConstString relayName = ch[i][j];//"b1r0c0"; //k1
   ViInt32 relayAction = NISWITCH_VAL_CLOSE_RELAY; //NISWITCH_VAL_OPEN_RELAY to open relay.
   ViConstString topology = NISWITCH_TOPOLOGY_CONFIGURED_TOPOLOGY;

   //Open a session to the switch module and set the topology.
   niSwitchCheckErr(niSwitch_InitWithTopology(
      resourceName,
      topology,
      VI_FALSE,
      VI_TRUE,
      &switchSession));

   //Open or Close the relay.
   niSwitchCheckErr(niSwitch_RelayControl(
      switchSession,
      relayName,
      relayAction));
   //Wait for the relay to activate and debounce.
   niSwitchCheckErr(niSwitch_WaitForDebounce(switchSession, 5000));

Error:

    if (switchError < VI_SUCCESS)
    {
       //Display errors (if any).
       niSwitch_ErrorHandler(switchSession, switchError);
    }
    if (switchSession != VI_NULL)
    {
       //Close the session to switch module.
       niSwitch_close(switchSession);
    }
}
}
    return 0;
}

int getTotalLine(char *name){
  FILE *fp;
  int line=0;
  char c;
  fp=fopen(name,"r");
  while((c=fgetc(fp))!=EOF)
    if(c=='\n') line++;
  fclose(fp);
  return(line);
}
void getChName(char *name,char *chname char *ch){
char *name = "ch.txt";
  FILE *fp;
  fp=fopen(name,"r");
  char ch[3][6][255];
  char chname[3][255];
  for(int i=0;i<3;i++){
     fscanf(fp,"%s", chname[i]);
        for(int j =0;j<6;j++){
          fscanf(fp,"%s", ch[i][j]);}
} 
   fclose(fp);
  for(int i=0;i<3;i++){
cout<<chname[i]<<endl;
        for(int j =0;j<6;j++){
cout<<ch[i][j]<<endl;
}
}
}