C Tutorial/stdlib.h/strtod
strtod
Item Value Header file stdlib.h Declaration double strtod(const char *start, char **end); Function converts the string into a double and returns the result.
If input is "100.00 Pliers", the value 100.00 will be returned.
#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
int main(void)
{
char *end, *start = "100.00 AAA 200.00 BBB";
end = start;
while(*start) {
printf("%f, ", strtod(start, &end));
printf("Remainder: %s\n" ,end);
start = end;
/* move past the non-digits */
while(!isdigit(*start) && *start) start++;
}
return 0;
}