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.
<source lang="cpp">#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; }</source>