C/stdlib.h/strtold

strtold: converts the string into a long double and returns the result

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//Declaration: long double strtold(const char * restrict start, char restrict ** restrict end);

 #include <stdlib.h>
 #include <ctype.h>
 #include <stdio.h>
 int main(void)
 {
   char *end, *start = "100.00 AAA 200.00 BBBB";
   end = start;
   while(*start) {
     printf("%f, ", strtold (start, &end));
     printf("Remainder: %s\n" ,end);
     start = end;
     while(!isdigit(*start) && *start) 
        start++;
   }
   return 0;
 }
        

/* -680564733841876930000000000000000000000.000000, Remainder: AAA 200.00 BBBB -680564733841876930000000000000000000000.000000, Remainder: BBBB

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