C Tutorial/stdlib.h/strtof

strtof

Item Value Header file stdlib.h Declaration long double strtof(const char * restrict start, char restrict ** restrict end); Function converts the string into a float and returns the result.

<source lang="cpp">#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, ", strtof (start, &end));
     printf("Remainder: %s\n" ,end);
     start = end;
     /* move past the non-digits */
     while(!isdigit(*start) && *start) start++;
   }
   return 0;
 }</source>