strtok strtod

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

int main()
{
    char str[] = " 123.42 623.552 \r\n0.342 -0.001";

    char * pch;
    pch = strtok (str," \r\n");
  while (pch != NULL)
  {
      double d = strtod(pch, NULL);
    printf ("%s [%f]\n",pch, d);
    pch = strtok (NULL, " \r\n");
  }

    return 0;
}