Get reg.exe query output by c language

[BoQsc]

/*
Merged from https://stackoverflow.com/questions/646241/c-run-a-system-command-and-get-output/646254#646254
*/

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


int main( int argc, char *argv[] )
{

  FILE *pipeStream;

  /* Open the command for reading. */
  pipeStream = popen("reg query \"HKLM\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment\" /v Path", "r");
  if (pipeStream == NULL) {
    printf("Failed to run command\n" );
    exit(1);
  }

  /* Read the output a line at a time - output it. */
  int i = 0;
  int i2 = 0;
  char line[1035];
  char * delimiterCharacter = "%SystemRoot%";
  while (fgets(line, sizeof(line), pipeStream) != NULL) {
	if (i == 2){
		printf("%i. ", i);
		
		char * token = strstr (line, delimiterCharacter);
		while( token != NULL ) {
			
			printf( "\n %i %s", i2, token );
			token = strstr (NULL, delimiterCharacter);
			i2++;
		}
		
		
	}
	i++;
  }

  /* close */
  pclose(pipeStream);

  return 0;
}